Re: [bitcoin-dev] Chain width expansion

2019-10-12 Thread Joachim Strömbergson via bitcoin-dev
I like the backwards syncing idea. First you provide proof of your best block height via coinbase, then sync backwards. It solves lots of related problems. You know how much you can expect from the given peer. On different note, one of the problems that I haven't seen mentioned here yet is the

Re: [bitcoin-dev] Chain width expansion

2019-10-12 Thread Tier Nolan via bitcoin-dev
On Sat, Oct 12, 2019 at 6:56 PM Joachim Strömbergson < joachim...@protonmail.com> wrote: > I like the backwards syncing idea. First you provide proof of your best > block height via coinbase, then sync backwards. It solves lots of related > problems. You know how much you can expect from the given

Re: [bitcoin-dev] Block Batch Filters for Light Clients (Jonas Schnelli)

2019-10-12 Thread admin--- via bitcoin-dev
Hi Jonas, Let's review case when we create filters for part of mempool or whole mempool. After new block is mined we have to verify what transactions is confirmed from mempool. Mempool filter in design with set of transactions make impossible use it do block filter reconstruction because we ha

Re: [bitcoin-dev] Chain width expansion

2019-10-12 Thread Tier Nolan via bitcoin-dev
On Thu, Oct 10, 2019 at 5:20 PM Braydon Fuller via bitcoin-dev < bitcoin-dev@lists.linuxfoundation.org> wrote: > It would be interesting to have a succinct chainwork proof > for all cases. Chainwork being a sum of the total proof-of-work in a > chain. Such proofs currently only require a few head