Blockchain
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This document provides an overview of blockchain technology. It begins with defining blockchain as a cryptographically secured block of data. It then discusses the history and origins of blockchain, how it provides a democratic system, and how it can be used to verify digital identity. Examples of applications mentioned include payroll processing, international money transfers, cryptocurrencies like Bitcoin, cloud storage, and smart contracts. Key characteristics of blockchain highlighted are transparency, immutability, and decentralization.
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blockchain is literally just a chain of blocks
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• Blocks store information that distinguishes them from other blocks.
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Founder Charlie Lee, a former Google and Coinbase employee.
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I have been presenting blockchain and bitcoin to several companies and audiences in the past 2 years (mostly financial companies).
I started taking notes of their questions as it allows me to reconstruct their thought process while they discover and familiarize themselves with the concepts. These slides have been prepared for investment fund based in Luxembourg. I worked with the Head of Market Research to make the presentation tailored to their needs. Although we tried not to abuse simplifications, we had to gloss over many details and use analogies.
The team was particularly interested in the ecosystems and applications.
Here are the questions I could write down or remember, in their order. Hopefully they will help someone giving similar presentations to similar audiences.
+ Where is actually the blockchain?
+ Do I need all the blocks?
+ How big is it? If the data keeps adding one day it would take *hours* to download
+ In a peer to peer network how are people discovered?
+ Are there people checking all the blocks to verify the transactions? Could i do it?
+ Why do miners would want to do work to validate transactions?
+ Could I mine myself? How?
+ Why am i not mining if i can make 12.5 btc?
+ When does the blockchain ends?
+ What does prevent people from using bitcoin for illegal activities?
+ How could governemnts block it? How can it be shutdown
+ How can transactions be traced? Is it anonymous?
+ Where is the mempool?
+ What prevents everyone to do his own coin?
+ Where does it start? What happens if Satoshi sells its coins? + How was the 21M coins cap decided? Who decided it? Can it be changed?
+ Does the protocol evolve? who modifies it? what happens if some people don't want the modification.
+ If second layers protocols arrive (Lighting) would miners still be required?
+ What is difficulty and why 10minutes per block? Who decides how difficulty is updated? Based on what?
+ Can i do my ICO? How is it done?.
+ Is it legal? How is the crypto business legally recognised.
+ Which countries are more open to blockchain
+ How will governements tax it?
* Credits to Alex Fishers for the PPT template
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* The fundamentals of Blockchain technology have not changed (Trust, Transparency, Security, Quality/Certainty, Reduced costs)
* We were talking about Web 3.0 back in 2017 😉
* People still miss define Blockchain
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* Checkout the Dapps section – I was ahead of my time there!
* And the last three slides on the Market cap and increases – I was excited to tell people the market cap was $200bn, BTC was $8,000 and ETH was nearly $400 ……… Ahhh the good old days 😉
And finally – my “leaders comment” back in 2017 still stands “Blockchain is the next disruptive technology to transform the lives of our customers and our business operations”
What a journey so far…and guess what…its only just begun 👍👍👍
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Blockchain
- 1. BLOCKCHAIN A L O N D R A M . AV I L É S R O D R Í G U E Z M O N I Q U E A . V E L I L L A R O S A R I O
- 2. ÍNDICE •¿Qué es Blockchain? •¿Cómo surge el Blockchain? • Utilidad y aplicaciones
- 3. Blockchain (n.) Bloque de data Principios criptográfico s "Free Vintage Ephemera and Paper Textures" by smily pixel is licensed
- 4. Historia "Oracle Blockchain icon" by Rick Byrne is licensed under CC BY-NC-ND 4.0
- 5. Sistema Democrático "Oracle Blockchain icon" by Rick Byrne is licensed under CC BY-NC-ND 4.0
- 6. Tu identidad "Linux password file" by Christiaan Colen is licensed under CC BY-SA 2.0
- 7. "Shopping App UI" by Pushpendar - The Creator is licensed under CC BY-NC-ND
- 8. slock.it Contratos: • Inteligentes • Irrompibles • Sin regulaciones Photo by: slock.it, a blockains company
- 9. • Pago de nóminas • Transferencias internacionales • Bitcoin
- 10. ‘‘Almacenamiento en la nube” "Storj Satellite Account" by Stas Aristov is licensed under CC BY-NC-ND
- 11. "Brainstorm" by marcos c. is licensed under CC BY-NC 2.0 TRANSPARENCIA INMUTABILIDAD DESCENTRALIZACIÓN