Re: [bitcoin-dev] How accurate are the Bitcoin timestamps?

2018-01-30 Thread Neiman via bitcoin-dev
On Mon, Jan 29, 2018 at 10:54 PM, Gregory Maxwell via bitcoin-dev < bitcoin-dev@lists.linuxfoundation.org> wrote: > On Mon, Jan 29, 2018 at 9:40 PM, Tier Nolan via bitcoin-dev > wrote: > > if there were tighter time requirements in the protocol > miners would address them by running NTP which as

Re: [bitcoin-dev] How accurate are the Bitcoin timestamps?

2018-01-30 Thread Neiman via bitcoin-dev
On Mon, Jan 29, 2018 at 10:40 PM, Tier Nolan via bitcoin-dev < bitcoin-dev@lists.linuxfoundation.org> wrote: > > Much of Bitcoin operates on the assumption that a majority of miners are > honest. If 50%+ of miners set their timestamp reasonably accurately (say > within 10 mins), then the actual t

[bitcoin-dev] How accurate are the Bitcoin timestamps?

2018-01-29 Thread Neiman via bitcoin-dev
First time posting here, please be gentle. I'm doing a research project about blockchain timestamping. There are many such projects, including the fantastic OpenTimestamps. All of the projects essentially save some data in a block, and rely on the block timestamp as a proof that this data existed