Re: [bitcoin-dev] BIP 174 thoughts

2018-07-05 Thread matejcik via bitcoin-dev
hello, we still have some concerns about the BIP as currently proposed - not about the format or data contents, but more about strictness and security properties. I have raised some in the previous e-mails, but they might have been lost in the overall talk about format. * Choosing from duplicate

Re: [bitcoin-dev] [Lightning-dev] BIP sighash_noinput

2018-07-05 Thread fred savage via bitcoin-dev
you cannot specifically NOT support addrss reuse. on a blockchain where people can send you funds without your permission required to send you funds. so ALWAYS expect multiple payments to the same address From: bitcoin-dev-boun...@lists.linuxfoundation.org on b

Re: [bitcoin-dev] BIP 174 thoughts

2018-07-05 Thread Pieter Wuille via bitcoin-dev
On Thu, Jul 5, 2018 at 4:52 AM, matejcik wrote: >> Allowing combiners to choose any value also allows for intelligent combiners >> to choose the >> correct values in the case of conflicts. A smart combiner could, when >> combining redeem scripts >> and witness scripts, check that the redeem scri