Robin Linus Presents BitVM3 | Bitcoin Amsterdam 2025
BitVM3 is the biggest leap in Bitcoin bridge efficiency since BitVM1. In this talk from Bitcoin Amsterdam, Robin Linus unveils BitVM3 — using garbled circuits to slash on-chain dispute costs from megabytes to kilobytes while keeping the 1-of-n honest security model. This is the breakthrough that finally makes trust-minimized Bitcoin sidechains and rollups practical. No covenants needed yet, no trusted operators, just pure Bitcoin script doing SNARK verification the smart way.⭐️⚔: SIGN UP WITH DUELBITS TODAY FOR A CHANCE TO WIN UP TO 2 BTC: 👉 https://bm.b.tc/YT-Duelbits #ad
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🔶 Robin Linus - ZeroSync
Chapters:
00:00 – Making Bitcoin Better Money with Bridges
00:28 – Why Bitcoin Needs Bridges
01:21 – The Problem with Multisig & Collateralized Bridges
02:29 – The Core Bridge Challenge: Getting BTC Back Safely
03:13 – SNARKs + BitVM = Trust-Minimized Withdrawals
04:04 – BitVM History & Optimistic SNARK Verification
06:12 – BitVM2 Limitations & the Birth of BitVM3
07:09 – Garbled Circuits Revolution
10:20 – Conditional Disclosure of Secrets Explained
11:48 – How Garbled Circuits Actually Work (AND Gate Demo)
14:44 – Building a Full SNARK Verifier Circuit
17:11 – 20 MB Breakthrough Scheme
17:36 – Remaining Challenges & Needed Bitcoin Upgrades
18:42 – Summary: BitVM3 is the Future of Bitcoin L2s
19:01 – Final Thanks & Outlook
#BitVM3 #BitVM #BitcoinBridges #BitcoinL2 #BitcoinScaling #GarbledCircuits #BitcoinSidechains #TrustlessBitcoin #BitcoinRollups #BitcoinDev #BitcoinAmsterdam #FraudProofs #BitcoinPrivacy #BitcoinTech #SNARKonBitcoin
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