On Saturday, 29 March 2014, at 10:19 am, Jeff Garzik wrote: > On Sat, Mar 29, 2014 at 10:10 AM, Matt Whitlock <b...@mattwhitlock.name> > wrote: > > Multisig does not allow for the topology I described. Say the board has > > seven directors, meaning the majority threshold is four. This means the > > organization needs the consent of six individuals in order to sign a > > transaction: the president, the CFO, and any four of the board members. A > > 6-of-9 multisig would not accomplish the same policy, as then any six board > > members could successfully sign a transaction without the consent of the > > president or CFO. Of course the multi-signature scheme could be expanded to > > allow for hierarchical threshold topologies, or Shamir's Secret Sharing can > > be used to distribute keys at the second level (and further, if desired). > > Disagree with "does not allow" Review bitcoin's script language. > > Bitcoin script can handle the use case you describe. Add conditionals > to the bitcoin script, OP_IF etc. You can do 'multisig AND multisig' > type boolean logic entirely in script, and be far more flexible than a > single CHECKMULTISIG affords.
Depends on your definition of "can." Bitcoin's scripting language is awesome, but it's mostly useless due to the requirement that scripts match one of a select few "standard" templates in order to be allowed to propagate across the network and be mined into blocks. I really hate IsStandard and wish it would die. ------------------------------------------------------------------------------ _______________________________________________ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development
