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Bitcoin Script for Beginners

  • Jason Dreyzehner

Jason Dreyzehner

Feb 10, 2019 • 1 min read

I gave a talk at TABConf 2019 introducing Bitcoin Script, the virtual machine bytecode which is built into bitcoin. The slides are available online, and the source is also on GitHub.

Bitcoin Script For Beginners
Bitcoin Script For Beginners – a presentation at TABConf on February 10, 2019 by Jason Dreyzehner.
Odysee
The video is also available on Odysee.
Quantumroot: Quantum-Secure Vaults for Bitcoin Cash
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Quantumroot: Quantum-Secure Vaults for Bitcoin Cash

A new contract design offers full 256-bit classical, 128-bit quantum security strength. Quantum spends are less than $0.01, and with cross-input and CashToken-based aggregation, quantum sweeps of 400+ unique addresses or 800+ inputs are under $0.10.
Jul 1, 2025 30 min read
2026 & 2027 proposals: OP_EVAL, P2S, Loops, and TXv5

2026 & 2027 proposals: OP_EVAL, P2S, Loops, and TXv5

I joined Fiendish & Friends Podcast #11 to talk about Bitcoin Cash Improvement Proposals (CHIPs) for 2026 and 2027: OP_EVAL, Pay-to-Script, loops, and TX version 5.
Jan 31, 2025
2027 Proposal: Transaction Version 5

2027 Proposal: Transaction Version 5

Today I'm proposing CHIP-2025-01 TXv5: Transaction Version 5: - Zero-Overhead Covenants – Enable user-deployed financial and privacy covenants to minimize transaction sizes, matching or outperforming purpose-built, "layer 1" networks. See Example: Zero-Knowledge Proof Covenants. - Detached ("Cross-Input") Signatures – Reduce transaction sizes by enabling multiple inputs
Jan 29, 2025 5 min read
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