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Blockchain Commons Technology Overview

An introduction to key concepts and theoretical foundations for blockchain infrastructure and interoperability, including a tour of several exciting open-source technologies developed by Blockchain Commons such as encoding methods, interoperable specifications, and security architectures. CONTENTS 00:05 - About Blockchain Commons 02:05 - Presentation Overview Part I: Concepts 02:35 - Cryptographic Seeds 02:56 - Entropy (Random Numbers) 03:31 - Example Tools 04:06 - Secure Storage 04:45 - Deriving Objects 05:12 - Multisigs 06:34 - Airgaps Part II: Foundations 07:13 - Universal Resource Identifiers 08:15 - QR Codes 11:13 - Encoding (Concise Binary Object Representation) 11:37 - Error Detection (CRC-32) 12:55 - Uniquely Identify Digital Objects (SHA-256) 13:36 - Shamir's Secret Sharing 14:53 - Fountain Codes Part III: Blockchain Commons Technologies 16:13 - Bytewords 19:58 - Uniform Resources (URs) 22:53 - Multi-Part URs 24:24 - UR Types Registry 24:55 - LifeHash 25:47 - Digest Source Specification 26:19 - Object Identity Block 26:52 - Shared Secret Key Reconstruction 28:46 - Torgap, QuickConnect & Gordian System 29:20 - Collaborate with us! team@blockchaincommons.com COMMUNITY LINKS Blockchain Commons Website — https://www.blockchaincommons.com/ Blockchain Commons Repos — https://github.com/BlockchainCommons Airgapped Wallet Community — https://github.com/BlockchainCommons/... IN-DEPTH DOCS UR Overview — https://github.com/BlockchainCommons/... A Guide to Using UR for Key Material — https://github.com/BlockchainCommons/... BLOCKCHAIN COMMONS TECHNOLOGIES ByteWords — https://github.com/BlockchainCommons/... LifeHash — https://github.com/BlockchainCommons/... SSKR — https://github.com/BlockchainCommons/... Uniform Resources (URs) — https://github.com/BlockchainCommons/... Registry of UR Types — https://github.com/BlockchainCommons/... RELATED LIBRARIES ByteWords — https://github.com/BlockchainCommons/... LifeHash — https://github.com/BlockchainCommons/... SSKR — https://github.com/BlockchainCommons/... UR — https://github.com/BlockchainCommons/... SECURITY ARCHITECTURES & METHODS #SmartCustody — https://www.smartcustody.com/ TorGap — https://github.com/BlockchainCommons/... APPLICATIONS MENTIONED Gordian Guardian — https://github.com/BlockchainCommons/... Gordian Server — https://github.com/BlockchainCommons/... Gordian Wallet — https://github.com/BlockchainCommons/... Keytool — https://github.com/BlockchainCommons/... LetheKit — https://github.com/BlockchainCommons/... Seedtool — https://github.com/BlockchainCommons/... Thank you to our generous patrons and sponsors including Bitmark, Blockchainbird and Unchained Capital. Thanks also to our ongoing Github Sponsors: Adrian Gropper, Mark S. Miller, Glenn Willen, Alexandre Linhares, Trent McConaghy, Eric Kuhn, Zach Herbert, Dario, Protocol Labs, and five additional sponsors (https://www.blockchaincommons.com/spo...) Please support Blockchain Commons by becoming a sustaining sponsor or making a BTCPay donation: Sponsorship: https://github.com/sponsors/Blockchai... BTCPay: https://btcpay.blockchaincommons.com/