An Explanation of Post-Quantum Signature Schemes | Bitcoin 2026
The quantum computing threat is no longer hypothetical and Bitcoin must prepare. In this Bitcoin 2026 panel, Mike Schmidt of Brink moderates a deep technical conversation with Jonas Nick of Blockstream, researcher Tadge Dryja, and protocol researcher Conduition on the future of post-quantum signature schemes. They explore why off-the-shelf NIST standards like ML-DSA and SLH-DSA would slash Bitcoin throughput, why hash-based signatures may be the safest path forward, and what stateful signatures mean for wallet design.Use code BM10 to get 10% off Bitcoin 2027 Conference in Nashville: https://2027.b.tc
🔶 Moderator: Mike Schmidt - Brink
🔶 Conduition - Protocol Researcher
🔶 Tadge Dryja - Researcher
🔶 Jonas Nick - Blockstream
Chapters:
2:09 — Why Bitcoin already added Schnorr and what makes quantum different
2:47 — Why Bitcoin can't just pull a NIST scheme off the shelf
7:31 — The post-quantum zoo: hash, lattice, isogeny, multivariate, and code-based
9:43 — How NIST schemes would crash Bitcoin throughput to 0.5 TPS
12:26 — Hash-based signatures and the signature budget concept explained
15:13 — Why hash-based relies on the weakest, most conservative assumption
22:10 — Stateful vs stateless signatures and the Lightning Network parallel
25:13 — The "single-use tissue paper" analogy for stateful keys
27:06 — Verification time vs signature size: the real Bitcoin trade-off
29:15 — Picking parameters everyone can agree on for a Bitcoin proposal
31:19 — Threshold signatures, MPC, and what's left to research
33:17 — Why Bitcoin has more migration time than the rest of the web
34:25 — Final takeaways: who's at risk and how to migrate safely
37:07 — Liquid implementations available today and panel close
#Bitcoin #Bitcoin2026 #BitcoinConference #PostQuantum #QuantumComputing #BitcoinSecurity #HashBasedSignatures #LatticeCryptography #SchnorrSignatures #Taproot #Brink #Blockstream #Cryptography #BitcoinResearch #BitcoinDev #MikeSchmidt #JonasNick #TadgeDryja #Conduition #BitcoinSoftFork #LightningNetwork #LiquidNetwork #BitcoinOpTech #QuantumResistant #BitcoinMigration #BitcoinProtocol #BitcoinUpgrade
DISCLAIMER: The views and opinions expressed in this show are those of the participants and do not necessarily reflect the official policy or position of BTC Inc., Bitcoin Magazine, or any affiliated entities. This content is provided for informational and educational purposes only and should not be construed as investment, legal, tax, or accounting advice. Nothing contained in this show constitutes a solicitation, recommendation, endorsement, or offer to buy or sell any securities or financial instruments. Viewers should consult their own advisors before making financial or business decisions. Receive SMS online on sms24.me
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