OP_CAT

S17 E47: Tabconf 8 Livestream with Kevin Loaec, Ekrem Bal, Spaces Protocol & The Bitcoin Pivot

On the last day of TABConf 8, I did another livestream from the hallways of Georgia Tech in Atlanta. The recording was…

S17 E46: Livestream from Tabconf 8, Part 1 (feat. Paul Sztorc, Andre Beganski, Alex Lewin, Janusz, Christopher Allen, Will & Michael Tidwell)

Live from the last TABConf: Paul Sztorc on quantum soft forks and eCash, Christopher Allen on multisig, Janusz on Zark and…

S17 E37: Paul Sztorc on the eCash Three Stage Launch, Free Coins & 12 Drivechains

Paul Sztorc now holds the record for the most appearances on this show: eleven. Nobody else has come close, and nobody else…

S17 E36: Yonatan Sompolinsky on Kaspa Covenants, DAGKnight & Coordination Markets

Yonatan Sompolinsky came to Europe for a reason he would only describe on record as a secretive meeting of DAGKnight magicians…

S17 E26: Calin Culianu, Steve Thurmond & The Phenomenal Big Blockers on Nine Years of Bitcoin Cash

Almost nine years after the big split of the Bitcoin community, it was time. Time to sit down with the people who…

S17 E23: Hunter Beast & Mark Karpeles on Quantum-Proofing Bitcoin, Satoshi’s Coins & the Ghost of Mt. Gox

This interview took place on April 29th 2026, at the LayerTwo Labs booth at the Bitcoin Conference in Las Vegas with Hunter…

S17 E22: Jeremy Rubin on CTV, Char & Relentless Building in an Adversarial Environment

Four years. That is how long I have been chasing Jeremy Rubin for an interview, and it took the Bitcoin 2026 conference…

S15 E58: Liam Eagen, Robin Linus & Jonas Nick on Shielded CSV, Private Client-Side Validation & the Future of Bitcoin Privacy

Liam Eagen, Robin Linus and Jonas Nick explain Shielded CSV: private client-side validation with ZK proofs, BitVM bridges…

S15 E57: Orkun Kilic on Citrea, ZK Rollups & Building the Bitcoin Economy

Days after the Citrea testnet launch, Orkun Kilic explains ZK rollups vs sidechains, BitVM's trust model, drivechains, StarkWare…

S15 E54: Kruw on Running a Wasabi Coordinator, Blockchain Analysis & the Myths of Bitcoin Privacy

Kruw runs Wasabi's biggest coinjoin coordinator for zero fees. He explains how blockchain analysis works, Samourai's double…

S15 E53: Charlie Shrem on the Block Size Wars, Life After Prison & Bitcoin's Leaderless Future

BitInstant co-founder Charlie Shrem clarifies his block size war stance, recalls prison and rebirth, defends Tether and explains…

S15 E52: Ben Arc on the Future of Lightning, Bitcoin & Nostr

LNbits creator Ben Arc says Lightning is only 5% done, explains why ecash mints worry him, and shares his plans for LNbits, Boltz…

S15 E50: Murch on Popular Bitcoin Myths: Ordinals, OP_CAT, Zero-Conf & the 2140 Panic

Murch of Chaincode Labs and Bitcoin Stack Exchange busts popular Bitcoin myths: ordinals as spam, a captured Bitcoin Core…

S15 E49: Edan Yago on BitcoinOS, Permaware & Scaling Bitcoin with ZK Rollups

Edan Yago explains BitcoinOS, BitSNARK and the first ZK proof verified on Bitcoin mainnet, why rollups beat sidechains, and why…

S15 E44: Chris DeRose on Bitcoin Uncensored, Simulacra & Life After Bitcoin

Bitcoin Uncensored reunion: Chris DeRose, Wayne Vaughan, Jay Berg & Paul Sztorc on simulacra, Bitcoin cults, stablecoins as bonds…

S15 E43: Sergio Demian Lerner on BitVMX, Rootstock & Layer 2s

Sergio Demian Lerner explains BitVMX, a RISC-V take on BitVM that cuts dispute costs to ~$400, plus Rootstock vs. Liquid, blind…

S15 E41: F/Dev (1440000bytes) on Joinstr, CoinJoin & Bitcoin Privacy

F/Dev (1440000bytes / Floppy) on Joinstr, Nostr-coordinated CoinJoin for Electrum, LayerTwo Labs, Lightning limits, eCash…

S15 E40: Rijndael on Taproot Wizards, BIP420 & OP_CAT

Rijndael (CTO of Taproot Wizards) on OP_CAT, BIP420, Quantum Cats, covenants, Lightning limits, Ordinals flywheels, and why…

S15 E36: Eli Ben-Sasson on STARKs, Rollups & Privacy

Eli Ben-Sasson of StarkWare explains STARKs vs SNARKs, OP_CAT, quantum risk, Zcash's UX problem and why Bitcoin could scale 1000x…

S15 E33: David Bailey on Bitcoin Maximalism, Ordinals & the Biggest Stage in Bitcoin

David Bailey on Bitcoin maximalism, Ordinals, OP_CAT vs CTV, high fees, BitVM, Tether and Bitcoin Conference boycotts, plus a…

S15 E19: Alexei Zamyatin on Build on Bitcoin & Layer 2s

Alexei Zamyatin is a (recovering) academic cryptographer who co-founded the Build on Bitcoin project – an initiative which…

S15 E17: Andrew Poelstra on Bitcoin Covenants (OP_CAT vs OP_CTV)

As of February 2023, there seems to be a consensus among users that Bitcoin needs covenants. And Andrew Poelstra, as Director of…