Re: [bitcoin-dev] Full Disclosure: CVE-2021-31876 Defect in Bitcoin Core's bip125 logic

2021-05-11 Thread Luke Dashjr via bitcoin-dev
Is there a list of software impacted by this CVE, and the versions it is fixed in? (Note this isn't a vulnerability in Bitcoin Core; BIP125 is strictly a policy matter, not part of the consensus rules and never safe to rely on in any case...) On Thursday 06 May 2021 13:55:53 Antoine Riard

Re: [bitcoin-dev] Full Disclosure: CVE-2021-31876 Defect in Bitcoin Core's bip125 logic

2021-05-11 Thread Ruben Somsen via bitcoin-dev
Hi Antoine, Thanks for bringing this up. It seems spacechains[0] are impacted by this. Simply explained, the idea is to allow for fee-bidding Blind Merged Mining[1] by creating one transaction for each block, to which anyone can attach a block hash. The preferred mechanism utilizes

Re: [bitcoin-dev] Proposal for an Informational BIP

2021-05-11 Thread BitPLATES (Chris) via bitcoin-dev
Hi Chris, I apologise if I did not make it clear enough, but the 24 seed words used to make the quantum passphrase are separate, newly generated 24 seed words, and not the same as those for the main wallet. With both layers (seed words + quantum passphrase) the security provided is

Re: [bitcoin-dev] Prediction Markets and Bitcoin

2021-05-11 Thread Prayank via bitcoin-dev
Good morning ZmnSCPxj, This will be a long email because I want to cover all the things and difficult to express them in few sentences or respond to the tweets about use of futures markets in Bitcoin. TL;DR: Prediction markets or futures markets can be helpful in collecting more information

Re: [bitcoin-dev] Proposal for an Informational BIP

2021-05-11 Thread BitPLATES (Chris) via bitcoin-dev
Hi Chris, Thank you for your thoughts. Unfortunately, your analysis is incorrect. This is a non-destructive adaptation of the BIP39 standard, and is certainly not "rolling your own security". The 'quantum' passphrase is relying on the well established security of the existing BIP39 standard.