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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! [email protected]

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/