Jason simeon genge theory of coin - In this ppt jason genge describing the theroy of cryptocurrency. Jaosn Genge
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What's is an Initial Token Offering? This new way to raise funds with blockchain isn't just a fundraising, but something more complex.
This presentation will explain what is an ICO, what are the use of the tokens distributed through an ICO, the history of ICOs and the coming regulation.
Tiền điện tử (Electronic money) Đây là một dạng tiền điện tử được sử dụng để mua sắm hàng hoá hoặc dịch vụ trên internet. Những người sử dụng loại tiền này có thể tải tiền từ tài khoản của mình ở ngân hàng về máy tính cá nhân, rồi khi duyệt web có thể chuyển tiền từ máy tính đến máy tính người bán để thanh toán. Hiện nay, dạng tiền này đang được một công ty Hà Lan là DigiCash cung cấp
Electronic Money is also referred as e - money, Electronic Cash, Digital Money, Electronic Currency, Digital Currency, e - currency, Digital Cash, and Cyber Currency. Electronic Money uses Internet, Digital Stored Value systems. The bank guarantees payment to merchants and collects money from its customers; An acquirer which is normally another bank which establishes an account with a merchant. The acquirer normally charges a commission of around 2% on each sale from the merchant
Jason simeon genge theory of coin - In this ppt jason genge describing the theroy of cryptocurrency. Jaosn Genge
Follow Jason Genge -https://plus.google.com/u/0/115846886431062163876
Follow Jason Genge - https://twitter.com/jasonsimeongeng
https://www.facebook.com/jason.simeongenge.5
Follow Jason Genge - https://www.linkedin.com/in/jason-simeon-genge-60bba7152/
Follow Jason Genge - https://www.scoop.it/u/jason-simeon-genge
What's is an Initial Token Offering? This new way to raise funds with blockchain isn't just a fundraising, but something more complex.
This presentation will explain what is an ICO, what are the use of the tokens distributed through an ICO, the history of ICOs and the coming regulation.
Tiền điện tử (Electronic money) Đây là một dạng tiền điện tử được sử dụng để mua sắm hàng hoá hoặc dịch vụ trên internet. Những người sử dụng loại tiền này có thể tải tiền từ tài khoản của mình ở ngân hàng về máy tính cá nhân, rồi khi duyệt web có thể chuyển tiền từ máy tính đến máy tính người bán để thanh toán. Hiện nay, dạng tiền này đang được một công ty Hà Lan là DigiCash cung cấp
Electronic Money is also referred as e - money, Electronic Cash, Digital Money, Electronic Currency, Digital Currency, e - currency, Digital Cash, and Cyber Currency. Electronic Money uses Internet, Digital Stored Value systems. The bank guarantees payment to merchants and collects money from its customers; An acquirer which is normally another bank which establishes an account with a merchant. The acquirer normally charges a commission of around 2% on each sale from the merchant
Introduction into blockchains and cryptocurrenciesSergey Ivliev
Slides from my intro course:
- mapping the digital asset ecosystem (as of August 2019)
- how bitcoin works - step-by-step primer?
- hashrate, dollar value transferred, transaction rate and other metrics (as of August 2019)
- hard money, uncorrelated asset and other use cases
- proof-of-stake and proof-of-identity
- horizontal and vertical scaling
- how ethereum smart contracts work?
- ERC20 token standard
- boom and bust of the ICO market (as of August 2019)
- intro into #DeFI (as of August 2019)
- stablecoins
- MarkerDAO, Compound, Uniswap and other cool decentralized finance protocols
- Cryptokitties, Storj, Peepeth and examples of non-financial dapps
An introductory talk on Bitcoin and cryptocurrencies.
Video (screencast): https://youtu.be/R7hTBcm6EVc
https://s-tikhomirov.github.io/
Earlier versions of this talk were given in Russian (Higher school of Economics, 2014 and Skoltech, 2016).
An introduction to bitcoin and how to use them.
Then diving further into the technology behind them called blockchains.Finally sketching out what's further possible.
Update for 2016-01-20 now included.
Tips: 1My5jXrMESagfNmCVHuxbbMRBb5As8oWKy
Prof Willy Susilo presented a seminar titled "Blockchain and its Applications" as part of the SMART Seminar Series on 20th September 2018.
More information: https://news.eis.uow.edu.au/event/blockchain-and-its-applications/
Keep updated with future events: http://www.uoweis.co/events/category/smart-infrastructure-facility/
Trick or Treat?: Bitcoin for Non-Believers, Cryptocurrencies for CypherpunksDavid Evans
David Evans
DC Area Crypto Day
Johns Hopkins University
30 October 2015
This (non-research) talk will start with a tutorial introduction to cryptocurrencies and how bitcoin works (and doesn’t work) today. We’ll touch on some of the legal, policy, and business aspects of bitcoin and discuss some potential research opportunities in cryptocurrencies.
An Investigator’s Guide to Blockchain, Bitcoin and Wallet TransactionsCase IQ
As Bitcoin and blockchains are coming into the mainstream, investigators, auditors and forensics and security professionals need to become familiar with how blockchain works and why it is so important to tomorrow’s digital security. It is important for anyone involved in forensics to understand the risk associated with Bitcoin, the most notable usage of blockchain and how applying forensics to those risks can have an impact.
Bitcoin has huge potential to revolutionize financial services, but with risk, as is implicit with any currency. We need to understand how forensic technology can reduce these risks or solve problems of financial loss should these risks materialize. Technology helps us follow flows of cryptocurrencies through wallets and the blockchain. This can be of particular use to regulators and police forces as well as investigators and auditors.
Join Simon Padgett and Sheldon Bennett of DMG Blockchain Solutions Inc. as they outline the basics of cryptocurrency transactions and their associated risks and solutions.
A research-oriented introduction to the cryptographic currencies (starting wi...vpnmentor
Presentation by Stefan Dziembowski, associate professor and leader of Cryptology and Data Security Group University of Warsaw. In BIU workshop on Bitcoin. Covered exclusively by vpnMentor.com
Cryptocurrencies - A Serious IntroductionDrake Emko
A high level overview of the world of Cryptocurrencies, liberally illustrated with Doge memes.
This was a lightning talk (5-7 minutes), so it scratches the surface, hopefully enough to get you interested in the world of cryptocoins.
It begins with the basic definitions, the reasons to use and accept cryptocurrency, the main currencies (Bitcoin, Litecoin, Dogecoin), the many altcoins and their distinguishing factors, and finally introduces you to cryptocoin mining (producing your own coins using your computer).
Introduction into blockchains and cryptocurrenciesSergey Ivliev
Slides from my intro course:
- mapping the digital asset ecosystem (as of August 2019)
- how bitcoin works - step-by-step primer?
- hashrate, dollar value transferred, transaction rate and other metrics (as of August 2019)
- hard money, uncorrelated asset and other use cases
- proof-of-stake and proof-of-identity
- horizontal and vertical scaling
- how ethereum smart contracts work?
- ERC20 token standard
- boom and bust of the ICO market (as of August 2019)
- intro into #DeFI (as of August 2019)
- stablecoins
- MarkerDAO, Compound, Uniswap and other cool decentralized finance protocols
- Cryptokitties, Storj, Peepeth and examples of non-financial dapps
An introductory talk on Bitcoin and cryptocurrencies.
Video (screencast): https://youtu.be/R7hTBcm6EVc
https://s-tikhomirov.github.io/
Earlier versions of this talk were given in Russian (Higher school of Economics, 2014 and Skoltech, 2016).
An introduction to bitcoin and how to use them.
Then diving further into the technology behind them called blockchains.Finally sketching out what's further possible.
Update for 2016-01-20 now included.
Tips: 1My5jXrMESagfNmCVHuxbbMRBb5As8oWKy
Prof Willy Susilo presented a seminar titled "Blockchain and its Applications" as part of the SMART Seminar Series on 20th September 2018.
More information: https://news.eis.uow.edu.au/event/blockchain-and-its-applications/
Keep updated with future events: http://www.uoweis.co/events/category/smart-infrastructure-facility/
Trick or Treat?: Bitcoin for Non-Believers, Cryptocurrencies for CypherpunksDavid Evans
David Evans
DC Area Crypto Day
Johns Hopkins University
30 October 2015
This (non-research) talk will start with a tutorial introduction to cryptocurrencies and how bitcoin works (and doesn’t work) today. We’ll touch on some of the legal, policy, and business aspects of bitcoin and discuss some potential research opportunities in cryptocurrencies.
An Investigator’s Guide to Blockchain, Bitcoin and Wallet TransactionsCase IQ
As Bitcoin and blockchains are coming into the mainstream, investigators, auditors and forensics and security professionals need to become familiar with how blockchain works and why it is so important to tomorrow’s digital security. It is important for anyone involved in forensics to understand the risk associated with Bitcoin, the most notable usage of blockchain and how applying forensics to those risks can have an impact.
Bitcoin has huge potential to revolutionize financial services, but with risk, as is implicit with any currency. We need to understand how forensic technology can reduce these risks or solve problems of financial loss should these risks materialize. Technology helps us follow flows of cryptocurrencies through wallets and the blockchain. This can be of particular use to regulators and police forces as well as investigators and auditors.
Join Simon Padgett and Sheldon Bennett of DMG Blockchain Solutions Inc. as they outline the basics of cryptocurrency transactions and their associated risks and solutions.
A research-oriented introduction to the cryptographic currencies (starting wi...vpnmentor
Presentation by Stefan Dziembowski, associate professor and leader of Cryptology and Data Security Group University of Warsaw. In BIU workshop on Bitcoin. Covered exclusively by vpnMentor.com
Cryptocurrencies - A Serious IntroductionDrake Emko
A high level overview of the world of Cryptocurrencies, liberally illustrated with Doge memes.
This was a lightning talk (5-7 minutes), so it scratches the surface, hopefully enough to get you interested in the world of cryptocoins.
It begins with the basic definitions, the reasons to use and accept cryptocurrency, the main currencies (Bitcoin, Litecoin, Dogecoin), the many altcoins and their distinguishing factors, and finally introduces you to cryptocoin mining (producing your own coins using your computer).
Li Haidong from bounty resources will give you about the details of 5 futuristic gadgets which may come become reality in upcoming future by li haidong Singapore.
Meet Dinah Mattingly – Larry Bird’s Partner in Life and Loveget joys
Get an intimate look at Dinah Mattingly’s life alongside NBA icon Larry Bird. From their humble beginnings to their life today, discover the love and partnership that have defined their relationship.
In the vast landscape of cinema, stories have been told, retold, and reimagined in countless ways. At the heart of this narrative evolution lies the concept of a "remake". A successful remake allows us to revisit cherished tales through a fresh lens, often reflecting a different era's perspective or harnessing the power of advanced technology. Yet, the question remains, what makes a remake successful? Today, we will delve deeper into this subject, identifying the key ingredients that contribute to the success of a remake.
Scandal! Teasers June 2024 on etv Forum.co.zaIsaac More
Monday, 3 June 2024
Episode 47
A friend is compelled to expose a manipulative scheme to prevent another from making a grave mistake. In a frantic bid to save Jojo, Phakamile agrees to a meeting that unbeknownst to her, will seal her fate.
Tuesday, 4 June 2024
Episode 48
A mother, with her son's best interests at heart, finds him unready to heed her advice. Motshabi finds herself in an unmanageable situation, sinking fast like in quicksand.
Wednesday, 5 June 2024
Episode 49
A woman fabricates a diabolical lie to cover up an indiscretion. Overwhelmed by guilt, she makes a spontaneous confession that could be devastating to another heart.
Thursday, 6 June 2024
Episode 50
Linda unwittingly discloses damning information. Nhlamulo and Vuvu try to guide their friend towards the right decision.
Friday, 7 June 2024
Episode 51
Jojo's life continues to spiral out of control. Dintle weaves a web of lies to conceal that she is not as successful as everyone believes.
Monday, 10 June 2024
Episode 52
A heated confrontation between lovers leads to a devastating admission of guilt. Dintle's desperation takes a new turn, leaving her with dwindling options.
Tuesday, 11 June 2024
Episode 53
Unable to resort to violence, Taps issues a verbal threat, leaving Mdala unsettled. A sister must explain her life choices to regain her brother's trust.
Wednesday, 12 June 2024
Episode 54
Winnie makes a very troubling discovery. Taps follows through on his threat, leaving a woman reeling. Layla, oblivious to the truth, offers an incentive.
Thursday, 13 June 2024
Episode 55
A nosy relative arrives just in time to thwart a man's fatal decision. Dintle manipulates Khanyi to tug at Mo's heartstrings and get what she wants.
Friday, 14 June 2024
Episode 56
Tlhogi is shocked by Mdala's reaction following the revelation of their indiscretion. Jojo is in disbelief when the punishment for his crime is revealed.
Monday, 17 June 2024
Episode 57
A woman reprimands another to stay in her lane, leading to a damning revelation. A man decides to leave his broken life behind.
Tuesday, 18 June 2024
Episode 58
Nhlamulo learns that due to his actions, his worst fears have come true. Caiphus' extravagant promises to suppliers get him into trouble with Ndu.
Wednesday, 19 June 2024
Episode 59
A woman manages to kill two birds with one stone. Business doom looms over Chillax. A sobering incident makes a woman realize how far she's fallen.
Thursday, 20 June 2024
Episode 60
Taps' offer to help Nhlamulo comes with hidden motives. Caiphus' new ideas for Chillax have MaHilda excited. A blast from the past recognizes Dintle, not for her newfound fame.
Friday, 21 June 2024
Episode 61
Taps is hungry for revenge and finds a rope to hang Mdala with. Chillax's new job opportunity elicits mixed reactions from the public. Roommates' initial meeting starts off on the wrong foot.
Monday, 24 June 2024
Episode 62
Taps seizes new information and recruits someone on the inside. Mary's new job
Create a Seamless Viewing Experience with Your Own Custom OTT Player.pdfGenny Knight
As the popularity of online streaming continues to rise, the significance of providing outstanding viewing experiences cannot be emphasized enough. Tailored OTT players present a robust solution for service providers aiming to enhance their offerings and engage audiences in a competitive market. Through embracing customization, companies can craft immersive, individualized experiences that effectively hold viewers' attention, entertain them, and encourage repeat usage.
From Slave to Scourge: The Existential Choice of Django Unchained. The Philos...Rodney Thomas Jr
#SSAPhilosophy #DjangoUnchained #DjangoFreeman #ExistentialPhilosophy #Freedom #Identity #Justice #Courage #Rebellion #Transformation
Welcome to SSA Philosophy, your ultimate destination for diving deep into the profound philosophies of iconic characters from video games, movies, and TV shows. In this episode, we explore the powerful journey and existential philosophy of Django Freeman from Quentin Tarantino’s masterful film, "Django Unchained," in our video titled, "From Slave to Scourge: The Existential Choice of Django Unchained. The Philosophy of Django Freeman!"
From Slave to Scourge: The Existential Choice of Django Unchained – The Philosophy of Django Freeman!
Join me as we delve into the existential philosophy of Django Freeman, uncovering the profound lessons and timeless wisdom his character offers. Through his story, we find inspiration in the power of choice, the quest for justice, and the courage to defy oppression. Django Freeman’s philosophy is a testament to the human spirit’s unyielding drive for freedom and justice.
Don’t forget to like, comment, and subscribe to SSA Philosophy for more in-depth explorations of the philosophies behind your favorite characters. Hit the notification bell to stay updated on our latest videos. Let’s discover the principles that shape these icons and the profound lessons they offer.
Django Freeman’s story is one of the most compelling narratives of transformation and empowerment in cinema. A former slave turned relentless bounty hunter, Django’s journey is not just a physical liberation but an existential quest for identity, justice, and retribution. This video delves into the core philosophical elements that define Django’s character and the profound choices he makes throughout his journey.
Link to video: https://youtu.be/GszqrXk38qk
Meet Crazyjamjam - A TikTok Sensation | Blog EternalBlog Eternal
Crazyjamjam, the TikTok star everyone's talking about! Uncover her secrets to success, viral trends, and more in this exclusive feature on Blog Eternal.
Source: https://blogeternal.com/celebrity/crazyjamjam-leaks/
Young Tom Selleck: A Journey Through His Early Years and Rise to Stardomgreendigital
Introduction
When one thinks of Hollywood legends, Tom Selleck is a name that comes to mind. Known for his charming smile, rugged good looks. and the iconic mustache that has become synonymous with his persona. Tom Selleck has had a prolific career spanning decades. But, the journey of young Tom Selleck, from his early years to becoming a household name. is a story filled with determination, talent, and a touch of luck. This article delves into young Tom Selleck's life, background, early struggles. and pivotal moments that led to his rise in Hollywood.
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Early Life and Background
Family Roots and Childhood
Thomas William Selleck was born in Detroit, Michigan, on January 29, 1945. He was the second of four children in a close-knit family. His father, Robert Dean Selleck, was a real estate investor and executive. while his mother, Martha Selleck, was a homemaker. The Selleck family relocated to Sherman Oaks, California. when Tom was a child, setting the stage for his future in the entertainment industry.
Education and Early Interests
Growing up, young Tom Selleck was an active and athletic child. He attended Grant High School in Van Nuys, California. where he excelled in sports, particularly basketball. His tall and athletic build made him a standout player, and he earned a basketball scholarship to the University of Southern California (U.S.C.). While at U.S.C., Selleck studied business administration. but his interests shifted toward acting.
Discovery of Acting Passion
Tom Selleck's journey into acting was serendipitous. During his time at U.S.C., a drama coach encouraged him to try acting. This nudge led him to join the Hills Playhouse, where he began honing his craft. Transitioning from an aspiring athlete to an actor took time. but young Tom Selleck became drawn to the performance world.
Early Career Struggles
Breaking Into the Industry
The path to stardom was a challenging one for young Tom Selleck. Like many aspiring actors, he faced many rejections and struggled to find steady work. A series of minor roles and guest appearances on television shows marked his early career. In 1965, he debuted on the syndicated show "The Dating Game." which gave him some exposure but did not lead to immediate success.
The Commercial Breakthrough
During the late 1960s and early 1970s, Selleck began appearing in television commercials. His rugged good looks and charismatic presence made him a popular brand choice. He starred in advertisements for Pepsi-Cola, Revlon, and Close-Up toothpaste. These commercials provided financial stability and helped him gain visibility in the industry.
Struggling Actor in Hollywood
Despite his success in commercials. breaking into large acting roles remained a challenge for young Tom Selleck. He auditioned and took on small parts in T.V. shows and movies. Some of his early television appearances included roles in popular series like Lancer, The F.B.I., and Bracken's World. But, it would take a
From the Editor's Desk: 115th Father's day Celebration - When we see Father's day in Hindu context, Nanda Baba is the most vivid figure which comes to the mind. Nanda Baba who was the foster father of Lord Krishna is known to provide love, care and affection to Lord Krishna and Balarama along with his wife Yashoda; Letter’s to the Editor: Mother's Day - Mother is a precious life for their children. Mother is life breath for her children. Mother's lap is the world happiness whose debt can never be paid.
Tom Selleck Net Worth: A Comprehensive Analysisgreendigital
Over several decades, Tom Selleck, a name synonymous with charisma. From his iconic role as Thomas Magnum in the television series "Magnum, P.I." to his enduring presence in "Blue Bloods," Selleck has captivated audiences with his versatility and charm. As a result, "Tom Selleck net worth" has become a topic of great interest among fans. and financial enthusiasts alike. This article delves deep into Tom Selleck's wealth, exploring his career, assets, endorsements. and business ventures that contribute to his impressive economic standing.
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Early Life and Career Beginnings
The Foundation of Tom Selleck's Wealth
Born on January 29, 1945, in Detroit, Michigan, Tom Selleck grew up in Sherman Oaks, California. His journey towards building a large net worth began with humble origins. , Selleck pursued a business administration degree at the University of Southern California (USC) on a basketball scholarship. But, his interest shifted towards acting. leading him to study at the Hills Playhouse under Milton Katselas.
Minor roles in television and films marked Selleck's early career. He appeared in commercials and took on small parts in T.V. series such as "The Dating Game" and "Lancer." These initial steps, although modest. laid the groundwork for his future success and the growth of Tom Selleck net worth. Breakthrough with "Magnum, P.I."
The Role that Defined Tom Selleck's Career
Tom Selleck's breakthrough came with the role of Thomas Magnum in the CBS television series "Magnum, P.I." (1980-1988). This role made him a household name and boosted his net worth. The series' popularity resulted in Selleck earning large salaries. leading to financial stability and increased recognition in Hollywood.
"Magnum P.I." garnered high ratings and critical acclaim during its run. Selleck's portrayal of the charming and resourceful private investigator resonated with audiences. making him one of the most beloved television actors of the 1980s. The success of "Magnum P.I." played a pivotal role in shaping Tom Selleck net worth, establishing him as a major star.
Film Career and Diversification
Expanding Tom Selleck's Financial Portfolio
While "Magnum, P.I." was a cornerstone of Selleck's career, he did not limit himself to television. He ventured into films, further enhancing Tom Selleck net worth. His filmography includes notable movies such as "Three Men and a Baby" (1987). which became the highest-grossing film of the year, and its sequel, "Three Men and a Little Lady" (1990). These box office successes contributed to his wealth.
Selleck's versatility allowed him to transition between genres. from comedies like "Mr. Baseball" (1992) to westerns such as "Quigley Down Under" (1990). This diversification showcased his acting range. and provided many income streams, reinforcing Tom Selleck net worth.
Television Resurgence with "Blue Bloods"
Sustaining Wealth through Consistent Success
In 2010, Tom Selleck began starring as Frank Reagan i
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Experience the thrill of Progressive Puzzle Adventures, like Scavenger Hunt Games and Escape Room Activities combined Solve Treasure Hunt Puzzles online.
As a film director, I have always been awestruck by the magic of animation. Animation, a medium once considered solely for the amusement of children, has undergone a significant transformation over the years. Its evolution from a rudimentary form of entertainment to a sophisticated form of storytelling has stirred my creativity and expanded my vision, offering limitless possibilities in the realm of cinematic storytelling.
240529_Teleprotection Global Market Report 2024.pdfMadhura TBRC
The teleprotection market size has grown
exponentially in recent years. It will grow from
$21.92 billion in 2023 to $28.11 billion in 2024 at a
compound annual growth rate (CAGR) of 28.2%. The
teleprotection market size is expected to see
exponential growth in the next few years. It will grow
to $70.77 billion in 2028 at a compound annual
growth rate (CAGR) of 26.0%.
Skeem Saam in June 2024 available on ForumIsaac More
Monday, June 3, 2024 - Episode 241: Sergeant Rathebe nabs a top scammer in Turfloop. Meikie is furious at her uncle's reaction to the truth about Ntswaki.
Tuesday, June 4, 2024 - Episode 242: Babeile uncovers the truth behind Rathebe’s latest actions. Leeto's announcement shocks his employees, and Ntswaki’s ordeal haunts her family.
Wednesday, June 5, 2024 - Episode 243: Rathebe blocks Babeile from investigating further. Melita warns Eunice to stay clear of Mr. Kgomo.
Thursday, June 6, 2024 - Episode 244: Tbose surrenders to the police while an intruder meddles in his affairs. Rathebe's secret mission faces a setback.
Friday, June 7, 2024 - Episode 245: Rathebe’s antics reach Kganyago. Tbose dodges a bullet, but a nightmare looms. Mr. Kgomo accuses Melita of witchcraft.
Monday, June 10, 2024 - Episode 246: Ntswaki struggles on her first day back at school. Babeile is stunned by Rathebe’s romance with Bullet Mabuza.
Tuesday, June 11, 2024 - Episode 247: An unexpected turn halts Rathebe’s investigation. The press discovers Mr. Kgomo’s affair with a young employee.
Wednesday, June 12, 2024 - Episode 248: Rathebe chases a criminal, resorting to gunfire. Turf High is rife with tension and transfer threats.
Thursday, June 13, 2024 - Episode 249: Rathebe traps Kganyago. John warns Toby to stop harassing Ntswaki.
Friday, June 14, 2024 - Episode 250: Babeile is cleared to investigate Rathebe. Melita gains Mr. Kgomo’s trust, and Jacobeth devises a financial solution.
Monday, June 17, 2024 - Episode 251: Rathebe feels the pressure as Babeile closes in. Mr. Kgomo and Eunice clash. Jacobeth risks her safety in pursuit of Kganyago.
Tuesday, June 18, 2024 - Episode 252: Bullet Mabuza retaliates against Jacobeth. Pitsi inadvertently reveals his parents’ plans. Nkosi is shocked by Khwezi’s decision on LJ’s future.
Wednesday, June 19, 2024 - Episode 253: Jacobeth is ensnared in deceit. Evelyn is stressed over Toby’s case, and Letetswe reveals shocking academic results.
Thursday, June 20, 2024 - Episode 254: Elizabeth learns Jacobeth is in Mpumalanga. Kganyago's past is exposed, and Lehasa discovers his son is in KZN.
Friday, June 21, 2024 - Episode 255: Elizabeth confirms Jacobeth’s dubious activities in Mpumalanga. Rathebe lies about her relationship with Bullet, and Jacobeth faces theft accusations.
Monday, June 24, 2024 - Episode 256: Rathebe spies on Kganyago. Lehasa plans to retrieve his son from KZN, fearing what awaits.
Tuesday, June 25, 2024 - Episode 257: MaNtuli fears for Kwaito’s safety in Mpumalanga. Mr. Kgomo and Melita reconcile.
Wednesday, June 26, 2024 - Episode 258: Kganyago makes a bold escape. Elizabeth receives a shocking message from Kwaito. Mrs. Khoza defends her husband against scam accusations.
Thursday, June 27, 2024 - Episode 259: Babeile's skillful arrest changes the game. Tbose and Kwaito face a hostage crisis.
Friday, June 28, 2024 - Episode 260: Two women face the reality of being scammed. Turf is rocked by breaking
Matt Rife Cancels Shows Due to Health Concerns, Reschedules Tour Dates.pdfAzura Everhart
Matt Rife's comedy tour took an unexpected turn. He had to cancel his Bloomington show due to a last-minute medical emergency. Fans in Chicago will also have to wait a bit longer for their laughs, as his shows there are postponed. Rife apologized and assured fans he'd be back on stage soon.
https://www.theurbancrews.com/celeb/matt-rife-cancels-bloomington-show/
2. Leave while you can!
• I will NOT talk about:
– Politics
– Economics
– …
• Coming up next:
– Algorithms
– Cryptography
– …
Li Haidong Singapore
3. Outline
• Part 0: a little history
• Part 1: TheoryCoin
– How to create coins
– How to transfer coins
– How to store coins
• Part 2: diff( , )
• Part 3: Problems and issues
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5. The 1990s
David Chaum and anonymous ecash
“The difference between
a bad electronic cash system
and well-developed digital cash
will determine whether
we will have a dictatorship
or a real democracy”
(attributed to Chaum)
bounty investment holdings ltd
8. The advent of Bitcoin
• 2009: Bitcoin announced by Satoshi Nakamoto
– Pseudonym for person or group of person
• 2009-2011: slow start…
• 2011-2013: Silk Road and Dread Pirate Roberts
• End 2013: Bitcoin price skyrockets
– and the world notices!
Li Haidong
9. Outline
• Part 0: a little history
• Part 1: TheoryCoin
– How to create coins
– How to transfer coins
– How to store coins
• Part 2: diff( , )
• Part 3: Problems and issues
Li Haidong Singapore
10. TheoryCoin:
How to create money
1. Everyone
tries to solve a puzzle
2. The first one to solve
the puzzle gets 1 TC
3. The solution of puzzle i
defines puzzle i+1
Li Haidong
11. TheoryCoin:
How to create money
H
L ∈ {0,1}* R ∈ {0,1}*
T ∈ {0,1}d
SolvePuzzle(L){
repeat{
R = my_name || i++
T = H(L,R)
}while(T ≠ 0d)
return R
}
The puzzle:
given L, find R
such that T=0d
(a random function)
* aka Proof-of-Work
12. TheoryCoin: (coins to ppl)
How to create money
H
x0 = Start! x1 =(P1, i1)
000…000
x2=(P2, i1)
H
000…000
x3=(P3, i3)
H
000…000
P3
P1
P2
x1
x1
x2 x2
x3
x3
* aka the blockchain
13. x7=(P3, i7)x6=(P3, i6)
x5=(P5, i5)
x0=Start! x1=(P1, i1) x2=(P2, i2)
x3=(P3, i3)
x4=(P4, i4)
TheoryCoin:
How to create money
* aka the 51% attack
14. TheoryCoin:
How to create money
Recap:
Solve the next puzzle get a coin
– To “solve” puzzle i find xi s.t H(xi-1,xi)=0d
– The longest chain defines “next puzzle”
– The name in block xi “gets” coin i.
15. Outline
• Part 0: a little history
• Part 1: TheoryCoin
– How to create coins
– How to transfer coins
– How to store coins
• Part 2: diff( , )
• Part 3: Problems and issues
16. TheoryCoin:
How to transfer money
(Digital) Signatures
– Only you can sign
– Everyone can verify
– You cannot deny
Give coin 3 to Jesper
Claudio
17. TheoryCoin:
How to transfer money
Gen
Sign Verify
message message, signature accept/reject
secret key public key
“Your username”“Your pin code”
18. P3 P1
m=“P3 gives coin 3 to P1”
s=Sig(sk3,m)
If
Ver(pk3,m,s) = accept
and
P3 owns coin 3
then
return accept
TheoryCoin:
How to transfer money
21. Outline
• Part 0: a little history
• Part 1: TheoryCoin
– How to create coins
– How to transfer coins
– How to store coins
• Part 2: diff( , )
• Part 3: Problems and issues
23. x4=(P4, (m,s), i4)
P1
TheoryCoin:
How to store money
P3
P2 P4
(m,s)
(m,s)
(m,s)
SolvePuzzle(L,...){
repeat{
R = my_name||(m,s)|| i++
T = H(L,R)
}while(T ≠ 0d)
return R
}
24. Outline
• Part 0: a little history
• Part 1: TheoryCoin
– How to create coins
– How to transfer coins
– How to store coins
• Part 2: diff( , )
• Part 3: Problems and issues
25. diff( , )
How is money created in Bitcoin?
• New block every ~10 mins
– d adjusted every ~2000 blocks
• H = 2-SHA2
• Initial reward: 50 BTC
– Halved every ~4 years (now 25 BTC)
26. diff( , )
How is money transferred in Bitcoin?
P1 gives 14 to P1
Transaction fee 1
Example: P1 wants to give 60 to P2
... gives 50 to P1
… gives 25 to P1
P1 gives 60 to P2
27. diff( , )
How is money stored in Bitcoin?
• Transaction in orphaned blocks are invalid
– Wait 6 blocks (~1 hour) before accepting transaction.
– Checkpoints to prevent complete history rollback.
• All transaction are stored in the blockchain
– (Currently ~14 GB)
28. Outline
• Part 0: a little history
• Part 1: TheoryCoin
– How to create coins
– How to transfer coins
– How to store coins
• Part 2: diff( , )
• Part 3: Problems and issues
29. Anonymity?
• Problem:
– Every transaction ever made is recorded forever
• Solution?
– Use new identity for each transaction
• But:
– Heuristics allow to cluster identities
• Anonymous alternatives:
– Zerocoin, Zerocash…
30. Users?
(and their devices)
• Unfortunate property of DSA
• This address
1HKywxiL4JziqXrzLKhmB6a74ma6kxbSDj
probably stole ~250000kr this way
(due to bug in Android Java based random generator)
Extractor
Sig(sk,m1,r)
Sig(sk,m2,r)
sk
31. Programmable money?
“Bitcoin uses a scripting system for transactions. Forth-like,
Script is simple, stack-based, and processed from left to right. It
is purposefully not Turing-complete, with no loops.”
E.g., “P1 gives 1 BTC to P2 if at least
2 out of (P1,P2,P3) sign this transaction”
Functionality: more than money?
Security: malware payments?
32. Mining pools
• Solving puzzles (mining) is hard!
– Miners join pools and share work/reward
• How to optimally split work?
• Mechanism design?
– rational miner?
– how to allocate reward?