Re: [Bitcoin-development] (space) efficient reusable addr via weil pairing IBE (Re: Bait for reusable addresses)

2014-02-02 Thread Jeremy Spilman
Consequently you can now securely and very network/space efficiently securely delegate searching a block by computing the private key for the IBE pub key that any sender would use for that block, and sending it as a query to a random (or node-capture defended random selected node). The node

Re: [Bitcoin-development] (space) efficient reusable addr via weil pairing IBE (Re: Bait for reusable addresses)

2014-02-02 Thread Peter Todd
On Sat, Jan 25, 2014 at 05:19:01PM +0100, Adam Back wrote: [quote author=adam3us link=topic=431756.msg4729682#msg4729682 date=1390660452] So have been talking with Greg Maxwell, Peter Todd, Jeremy Spillman, Mike Hearn, Bytecoin and others about reusable addresses. There is a summary of the

Re: [Bitcoin-development] (space) efficient reusable addr via weil pairing IBE (Re: Bait for reusable addresses)

2014-02-02 Thread Peter Todd
On Sun, Feb 02, 2014 at 01:16:20AM -0800, Jeremy Spilman wrote: Consequently you can now securely and very network/space efficiently securely delegate searching a block by computing the private key for the IBE pub key that any sender would use for that block, and sending it as a query to a

Re: [Bitcoin-development] (space) efficient reusable addr via weil pairing IBE (Re: Bait for reusable addresses)

2014-02-02 Thread Adam Back
I think you Peter Jeremy figured it out - dont disagree with the explanation details. And it seems better explained between the two posts than I did. I think Peter is right that you do not need an explicit prefix, the prefix after decryption can be a chosen number of leading 0s and this gives a