Hello all,
Some thoughts on private collaborative custody services for Bitcoin.
With multiparty computation multisignatures like FROST [0], it is possible
to build a collaborative custodian service that is extremely private for
users.
Today's collaborative custodians can see your entire wallet
I appreciate your questions, ZmnSCPxj.
I will answer your second question first: Mainchain nodes do not ever validate
sidechain blocks. Sidechain nodes watch Bitcoin for invalid withdrawals, and
publish signed attestations to a public broadcast network (such as Nostr) that
a transaction is
Good morning Ryan,
If I modify your Sentinel Chain open-source software so that it is honest for
999 sidechain blocks, then lies and says that the 1000th block is invalid even
though it actually is, what happens?
Do mainchain nodes need to download the previous 999 sidechain blocks, run the
Peter Todd wrote:
>Two serious issues with this proposal:
>1) You're creating an alternative implementation of the Bitcoin protocol. There
>is a _long_ history of such implementations failing to implement an exact copy
>of the consensus rules, leading to potential forks. Obviously, if only used