From rusty at rustcorp.com.au Mon Mar 7 23:31:52 2016 From: rusty at rustcorp.com.au (Rusty Russell) Date: Tue, 08 Mar 2016 10:01:52 +1030 Subject: [Lightning-dev] Backward deterministic R Value In-Reply-To: References: Message-ID: <87d1r5ooev.fsf@rustcorp.com.au> Nicolas Dorier writes: > One way deterministic RValue Generation Hi Nicolas, Yes, in fact shachain is a variant of this which avoids generating several million hashes in advance. Interesting, I suggested using hashing in the Deployable Lightning paper but didn't actually spell out the idea. Hmm.... Seems like it orignated from Adam Back: https://lists.blockstream.io/pipermail/lightning-dev/2015-May/000000.html Cheers, Rusty.