Intro to Blockchain 2020
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Blockchain’s usage is becoming ubiquitous across all sections of the economy including: Medical, Charities, Automotive, Telecom, Food Industry, Voting, Gaming and more. Blockchain’s primary use case is to maintain the integrity of replicated data. Centralized data center hacks seem to be in the news daily as well as identity theft. On the other hand, decentralized data that can easily detect tampering is becoming more and more of a natural solution for data integrity. This is what blockchain technology is all about. For those that are unfamiliar with blockchain, it is a read only, write once immutable ledger which is distributed and globally accessible.
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Intro to Blockchain 2020
- 1. russ@algorand.com Russ Fustino Developer Advocate Algorand Intro to Blockchain 2020
- 2. The documents and statements presented on (or directly accessible from) this presentation may contain forward-looking statements. These statements relate to future events or Algorand Network's future performance, financial or otherwise. Any statements that are not statements of historical fact (including without limitation statements to the effect that the Company or its management “believes”, “expects”, “anticipates”, “plans” (and similar expressions) should be considered forward looking statements. There are a number of important factors that could cause Algorand Network’s actual results and outcomes to differ materially from those indicated by the forward looking statements. The Algorand or any other party contained within disclaim any obligation to update any forward looking statement. Safe Harbor
- 3. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level 3
- 4. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Experience with development and blockchain poll 4
- 6. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Centralized Data Issues – In the news USA • White House Strips CDC Of Data Collection Role For COVID-19 Hospitalizations • The Trump Administration has mandated that hospitals sidestep the Centers for Disease Control and Prevention and send critical information about COVID-19 hospitalizations and equipment to a different federal database. • But hospitals must now report that information to the Department of Health and Human Services, which oversees the CDC. • Public health experts expressed dismay and confusion over the reporting change because of how it could disrupt public access to the data. It also comes at a time when the Trump White House has openly sparred with CDC Director Robert Redfield and other federal scientists about the pandemic response. 11
- 7. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Voting by mail? 12
- 8. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Blockchain is Not the Future – It’s The Present • Medical Field • Charities • Automotive • Telecom • Food industry • Voting 13 Source: Forkast.Insights China Blockchain Report 2019-2020 Blockchain’s usage is becoming ubiquitous across all sections of the economy
- 9. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Developers, Developers, Developers!!! • 200 - CareerBuilder • 1800 - Monster • 4600 – Dice • * The total number of Blockchain developers in late 2018 was estimated at around 105,000. [source paybis and dappros ] 14
- 10. § Blockchain Basics § Why Algorand? § Algorand Layer 1 Features § Algorand Foundation Reward Programs § Developer Tools! § Algorand BetaNet, TestNet, MainNet § Local Nodes and Standup Instances § APIs, SDKs and Command Line tools § Community Resources § Code Demos
- 12. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Algorand Pure Proof of Stake Simplified Smart Contracts Network-Wide Incentives Seamless Upgrades Scalable & Secure 𝐵! 𝐵" 𝐵# 𝐵$ 𝐵% … Effortless One-By-One Byzantine Agreement Forks? Proof of Work?
- 13. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level The Byzantine Generals Problem 18 Silvio Micali, Founder of Algorand and Turing award winner, figured out, you really don’t need everyone to participate, what you need is a representative sample.
- 14. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Key Idea 1) Sample a small committee at random from the set of all users 2) The committee agrees on a block of transactions. Every member verifies transactions and digitally signs it. 𝐵! 𝐵" 𝐵# 𝐵$ 𝐵% 3) The block is added to the chain 𝐵%𝐵&𝐵&
- 15. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Algorand's Core Protocol Video Pure Proof of Stake – For more information watch this video: • https://www.youtube.com/watch?v=gACVKaNqxPs • Youtube.com/algorand 20
- 16. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Types of Blockchain apps 22 Public & Closed Public & Open • Voting • Voting records • Whistleblower • Currencies • Betting • Video Games Private & Closed Private & Open • Construction • National Defense • Law Enforcement • Military • Tax Returns • Supply Chain • Government financial records • Corporate earning statements
- 17. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Pure Proof of Stake Consensus ü Public and Permissionless ü All users can participate in consensus ü Blocks are confirmed by voting ü Every token carries the same voting power ü No need to delegate or bond ü Minimal compute required
- 18. Why Algorand?
- 19. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Why Algorand Pure Proof of Stake Consensus Efficient Blockchain: Scales to billions of users Enterprise Speed: 1000 TPS, < 5s Block Times Instant Finality: There are no soft forks. Cost Effective: < $0.001 USD cost per transaction
- 20. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Technical Innovation Continuing to Drive Adoption
- 21. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Year 1 27
- 22. Algorand Layer 1 Features
- 23. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Algorand Standard Assets (ASA) Algorand Smart Contracts (ASC1) Atomic Transactions Algorand Layer 1 Features Rekeying Algorand Accounts
- 24. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Algorand Accounts Smart Contract Standard Account Multisig Account Logic Account
- 25. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Rekeying Accounts Authorization Public Address Smart Contract
- 26. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level ● Issue Layer 1 Native Token (NFT/FT) ○ Native Like the Algo ○ Create in Minutes ○ Require no on-chain code ● An administrator can ○ Mint and Burn units ○ Freeze Accounts ○ Revoke an Asset ○ Delegate ● Asset Spam Protection ○ Accounts Option In to ASA ● Quick Demo Algodesk.io Algorand Standard Assets (ASA) T Block Block Block
- 27. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level ● Native Function ○ Atomic transfers on Algorand is a native function instead of implemented with 3rd party contracts (No need for HTLC or notary) ● Easy and Secure ● Up To 16 Transactions ● All Must Succeed or All Fail ● Guarantees Exchange of Goods Algorand Atomic Transfers
- 28. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level ● Transaction Execution Approval Language ○ The contract logic on Algorand are described with TEAL ○ Python Enabled Compiler (PyTEAL) ● Two Types Of Smart Contracts ○ Stateless - Used to Approve Spending Transactions ○ Stateful - Onchain Global and Local Storage ● Combinable with Other Algorand Technology ○ Atomic Transfers ○ Algorand Assets ○ Combine Stateless and Stateful Contracts Algorand Smart Contracts Smart Contract
- 29. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level TEAL - Transaction Execution Approval Language ● Bytecode based stack language ● Returns True or False (Positive Value Left on Stack) ● SDK Support ● Templates ● > 70 Opcodes ● Access to ASA/Algo Balances ● Read all Transactions in a Group ● Stateful - Global/Local Storage Calls ● Stateless - Signature Verification ● PyTEAL library to write in python
- 30. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level PyTEAL -Python Library Returns
- 31. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Video on TEAL https://youtu.be/OWFRP9McBmk 37 • Youtube.com/algorand
- 32. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Algorand Stateless Smart Contracts ● Replaces Signing of Transactions ● Two Usage Modes ○ Logic Account: any transactions sent from this account will be verified by the predefined logic ■ Escrow Style Accounts ■ Split Payments ■ HTLC Contracts ○ Logic Signature: any transactions signed with this signature will be verified by the predefined logic (Delegated Authority) ■ Recurring Payments
- 33. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Stateful Smart Contracts Smart Contract Global State Local State Application Call Transactions Trigger Smart Contract A A B C
- 34. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Combining Layer 1 Features Smart Contract V Voting Commission Account Vote ForCandidate A Voting Smart Contract Global State Increment Candidate A Vote Total Atomically Grouped Spend Voting Token
- 35. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Combining Layer 1 Features Stateful Smart Contract Crowdfunding Smart Contract Atomically Grouped Payment from Escrow to User 1 Stateless Smart Contract Crowdfunding Escrow Account User 1 Claims Escrow Funds
- 37. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Algorand Foundation Reward Programs • Developer Awards Program https://algorand.foundation/developer-incentive-awards-program • Algorand Developer Ambassador Rewards (DevAms) https://algorand.foundation/dev-ambassadors • Grant Programs https://algorand.foundation/grants-program • Ambassador Rewards Program https://algorand.foundation/2020-ambassador-rewards-program 43
- 38. Developer Tools!
- 39. Developers, Developers, Developers!! •SDKs: REST -JavaScript, Python, Java, Golang •CLI Tools: Play with node from command line •SandBox - Quick Start Setup •Indexer V2: Rest API for querying data from Blockchain •Wallet - Algorand Mobile Wallet Android/IOS •AlgoSigner - Chrome Plugin for SigningTransactions (coming soon) •Community Supplied • Explorers • API Services • Wallets • SDKs • Online TEAL Editor • Algorand Studio Editor
- 40. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Nodes. https://developer.algorand.org/docs/build-apps/setup/ • Create and run your own • Mac • Ubuntu • Other Linux Distros (Example - Raspberry Pi) • Used to take several hours to sync, but now Fast catch-up is here! • Purestake API service • Indexed, Archived • Can access from SDK code on platforms that do not have nodes (Windows) • Sandbox • Docker • Not for production • Snapshot start from current node • No sync time 49
- 41. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Sandbox – The quickest way to get going Docker Instance https://github.com/algorand/sandbox 50 https://medium.com/algorand/introducing-sandbox-the-quick-way-to-get-started-on-algorand-8082c2d18854
- 42. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Indexer V2 – Searching made easy! 53
- 43. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Developer.algorand.org
- 44. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Start Building! Developer..algorand.org 55
- 45. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level https://developer.algorand.org/solutions/ 56
- 46. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level https://developer.algorand.org/articles/ 57
- 47. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level https://developer.algorand.org/tutorials/ 58
- 49. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Become An Algorand Ambassador • Work directly with the Algorand team and learn from the best in the field • Host your own hackathon or developer meetup to help others in your community build on top of Algorand • Connect with other developers from all over the world who are also building on Algorand • Get the latest news and updates about our platform before anyone else hears about it 61 è Visit community.algorand.org Contact Stephen Duignan stephen@algorand.foundation
- 50. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Community • Community Landing page https://community.algorand.org/ • Community Blog https://community.algorand.org/blog/ (send email to ecosystem@algorand.com to post) • Community Events https://community.algorand.org/events/#/list 62
- 51. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Community C# SDK https://github.com/RileyGe/dotnet-algorand-sdk 63
- 52. Code Demos
- 53. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level “Russ Unplugged” w Chad Green on CodePaLOUsa, Blockchain and Developer Evangelism https://www.youtube.com/watch?v=IocTiz9fSrE 65
- 54. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Userful Resources ● Developer Portal (Documentation and Tutorials): https://developer.algorand.org/ ● Forum: https://forum.algorand.org/ ● GitHub: https://github.com/algorand ● Discord: https://discord.gg/YgPTCVk
- 55. Summary § Blockchain Basics § Why Algorand? § Algorand Layer 1 Features § Algorand Foundation Reward Programs § Developer Tools! § Algorand BetaNet, TestNet, MainNet § Local Nodes and Standup Instances § APIs, SDKs and Command Line tools § Community Resources § Code Demos
- 56. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Get the goods!!! Developer site: http://developer.algorand.org SDKs: https://github.com/algorand PowerPoint: https://bit.ly/34eDZGz 68
- 57. • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Sign up Today! 69
- 58. Questions?