Re: [Bitcoin-development] Two factor wallet with one-time-passwords

2013-08-08 Thread Peter Todd
On Sat, Jul 27, 2013 at 07:49:18PM -0400, Peter Todd wrote: > Funding the wallet > == > > As with any multi-party wallet receiving funds must also be handled > carefully to ensure an attacker can't fool the user into giving the > sender the wrong address. This requires the involvem

Re: [Bitcoin-development] Two factor wallet with one-time-passwords

2013-07-28 Thread John Dillon
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On Sun, Jul 28, 2013 at 1:20 AM, Peter Todd wrote: > FWIW with some minor scripting language additions such as access to txin > and txout contents, along with merklized abstract syntax tree (MAST) > support, we can even implement a version where scr

Re: [Bitcoin-development] Two factor wallet with one-time-passwords

2013-07-27 Thread Peter Todd
On Sat, Jul 27, 2013 at 07:49:18PM -0400, Peter Todd wrote: > Implementation > == > > Savings use P2SH outputs matching the following scriptPubKey form: > > HASH160 EQUALVERIFY CHECKSIG > > spent with: > > FWIW with some minor scripting language additions such as access to txin

[Bitcoin-development] Two factor wallet with one-time-passwords

2013-07-27 Thread Peter Todd
Gavin Andresen recently suggested a design for a wallet protected by two-factor authentication via one-time-passwords with the aid of a third-party service to counter-sign 2-of-2 protected wallets.(1) The design is useful when the user can't sign transactions on a second device, such as a phone, bu