[bitcoin-dev] Single signature for all transactions in a block?

Bryan Bishop kanzure at gmail.com
Sun Dec 31 23:46:57 UTC 2017


On Sun, Dec 31, 2017 at 5:39 PM, CANNON via bitcoin-dev <
bitcoin-dev at lists.linuxfoundation.org> wrote:
>
> I had a question relating to scaling and privacy enhancements.
> I believe that segwit combined with aggregated signatures
> and coinjoin can potentially achieve such. The idea is to
> use aggregated signatures in conjunction with coinjoin. So
> that all inputs of a coinjoin transaction would have a single
> signature vastly decreasing size while having privacy at the
> same time. If majority of transactions in a block did this I
> assume that significant more transactions could be fit into a
> block?


Here are some resources to read regarding signature aggregation and
scalability:

https://diyhpl.us/wiki/transcripts/bitcoin-core-dev-tech/2017-09-06-signature-aggregation/
https://diyhpl.us/wiki/transcripts/gmaxwell-2017-08-28-deep-dive-bitcoin-core-v0.15/#signature-aggregation
https://diyhpl.us/wiki/transcripts/scalingbitcoin/milan/schnorr-signatures/
https://bitcoincore.org/en/2017/03/23/schnorr-signature-aggregation/
https://bitcointalk.org/index.php?topic=1377298.0
https://bitcoincore.org/logs/2016-05-zurich-meeting-notes.html
https://github.com/sipa/secp256k1/blob/968e2f415a5e764d159ee03e95815ea11460854e/src/modules/schnorr/schnorr.md
https://diyhpl.us/wiki/transcripts/2016-july-bitcoin-developers-miners-meeting/dan-boneh/

- Bryan
http://heybryan.org/
1 512 203 0507
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