Re: [bitcoin-dev] TXHASH + CHECKSIGFROMSTACKVERIFY in lieu of CTV and ANYPREVOUT

2022-01-30 Thread Anthony Towns via bitcoin-dev
On Thu, Jan 27, 2022 at 07:18:54PM -0500, James O'Beirne via bitcoin-dev wrote: > > I don't think implementing a CTV opcode that we expect to largely be > > obsoleted by a TXHASH at a later date is yielding good value from a soft > > fork process. > Caching for something > like TXHASH looks to me l

Re: [bitcoin-dev] Improving RBF Policy

2022-01-30 Thread Antoine Riard via bitcoin-dev
Hi Gloria, Thanks for this RBF sum up. Few thoughts and more context comments if it can help other readers. > For starters, the absolute fee pinning attack is especially > problematic if we apply the same rules (i.e. Rule #3 and #4) in > Package RBF. Imagine that Alice (honest) and Bob (adversary

Re: [bitcoin-dev] PathCoin

2022-01-30 Thread Billy Tetrud via bitcoin-dev
> if you have a counterparty who is malicious and they *take action* to steal, then they can present you with two alternatives Generally I don't think this is the case. In this case, these are time-sensitive operations. There is no time to negotiate after the malicious party has taken action. The