Bitcoin Special Lecture - Contracts and Guarantees (Nick Szabo)

SF Bitcoin Devs Seminar: Bitcoin Scaling with Peter Todd

Tech-Talk: Lighthouse, decentralized crowdfunding - Mike Hearn - Zürich

btc.edu part 2: Application of Crypto Primitives On How Bitcoin is Built

btc.edu part 1: Cryptographic primitives and the proof of work blockchain

Bitcoin SF Devs Seminar: Understanding Bitcoinj and Married Wallets with 37Coins

Bitcoin SF Devs Seminar: Deep Dive into Pycoin's Bitcoin Library w/ Richard Kiss

Sac Bitcoin Monthly at Capsity

Bitcoin For Business - Demo & Discussion

Bitcoin Special Lecture - Security in a post-quantum world

Talk and Trade Bitcoin