~/talks

Andrew Poelstra

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who talks about the same things

titleconferencedate
Unlocking Expressivity With OP CATBitcoin 20242024-07-25
OpCat adds a simple concatenate stack elements opcode that, combined with existing checksig mechanics, lets scripts extract signed transaction data to build…
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Scaling Bitcoin On-ChainTABConf 20212021-11-04
Panel lays out concrete levers: blockchain is ~427–428 GB and blocks average ~2,000 transactions; a full sync with assumevalid can be ~7 hours on a 32‑CPU…
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Bitcoin Mini ScriptTABConf 20212021-11-04
Miniscript provides a template language that maps directly back to Bitcoin Script, giving a one-to-one correspondence with Bitcoin Script so on-chain outputs…
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Taproot Activation Q&A with Bitcoin DevsTABConf 20212021-11-04
Taproot activates at block 709632 (around November 14) as a soft fork, so upgraded nodes start enforcing new Taproot validation while old-valid transactions…
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LIVE w/ Andrew Poelstra & Brandon GoodellMagical Crypto Conference 20192019-05-11
Argues that embedding scripts into signatures could enable Lightning-style channels for Monero but is blocked by the absence of a claim-refund/time-lock…
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Fragile Nonce Selection and ZKPs as a Solution2nd ZKProof Workshop 20192019-04-10
Shows that deterministic nonce generation (RFC6979/Merlin) fixes single signatures but fails for multi‑party Schnorr/ECDSA because differing challenges leak…
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Company Pitches1st ZKProof Standards Workshop 20182018-05-10
A proof-of-concept enforces RFC6979 deterministic nonces for a Schnorr-style multisig by requiring a zero-knowledge proof that each ephemeral nonce is derived…
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