[bitcoin-dev] Boost Bitcoin circulation, Million Transactions Per Second with stronger privacy

Billy Tetrud billy.tetrud at gmail.com
Tue Jun 22 18:20:51 UTC 2021


I would be interested in seeing some more information about the benefits of
this approach vs alternatives up front in this write up. Eg how does the
security, cost, usability, and privacy compare to the lightning network,
which would be the most likely competitor to this idea. It seems clear that
there is more counterparty risk here, so it would probably also be very
helpful to compare against traditional custodial solutions as well. If you
have specific claims on how this system is better than eg lightning in
certain contexts, it would be far easier to evaluate the protocol against
those claims, and would also be a lot easier for readers to be motivated to
read the whole protocol and do a more full analysis.

I agree with others that using email is probably not appropriate for a
protocol like this. I would highly recommend making your protocol
transport-agnostic, allowing users of your protocol to use any transport
they want.

On Sat, Jun 19, 2021 at 7:00 PM James Hilliard via bitcoin-dev <
bitcoin-dev at lists.linuxfoundation.org> wrote:

> I think you're making a number of assumptions about mining that are
> not accurate.
>
> > First of all, how much chance in finding next block the corrupted miners
> have? One percent of all Bitcoin hash powers? Or maximum 5 percent or 10?
> The cheaters must come up in dividing that 1.2 Bitcoin between. After all
> the risk/reward must fit them. They can not be a big mining pool since
> there is no benefit, so they will be small miners with low hash rate. If
> they solve the puzzle and broadcast the block, no one in the entire Bitcoin
> network has block transactions or seen it before in their mempool!
>
> You're making the assumption that miners won't build on top of a block
> with transactions they have not seen before or transactions that may
> contain double spends of unconfirmed inputs, this is not how mining
> works, as long as the block passes the consensus rules effectively all
> miners will mine on top of it by default, this behavior is fundamental
> to how mining currently works and is fairly deeply baked into the
> current mining infrastructure.
>
> > Will they accept this block? In theory it is possible and have 0.01
> percent chance but we can eliminate this small possibilities by a simple
> BIP for miners.
>
> What would this BIP look like? I don't see how this could work in a
> decentralized way as you would need another way of reaching consensus
> on what defines a valid block. Right now the chance is nearly 100
> percent that a miner will mine on top of the latest valid block, many
> pools(most last I checked) will even mine on the next block before
> they validate the latest block fully(ie validationless mining) to
> reduce their orphan rates.
>
> > We suppose the miners always control transactions with doc-watchers and
> avoid accepting transaction with same UTXO but different output.
>
> Miners have different mempool policy/rules for what transactions they
> themselves mine but all miners must mine on the most work chain of
> valid blocks otherwise they risk their own blocks being orphaned, any
> miner that does not do this is effectively guaranteed to have their
> block orphaned right now.
>
> > Because of high Bitcoin transaction fee, this guarantee transaction will
> take place in next block, even if other transaction which are using the
> same UTXO as input existed in mempool.
>
> When a new transaction is broadcast miners do not immediately start
> mining on a block template that includes that transaction, the
> template won't even be generated immediately when it enters a miners
> mempool in practice, for bandwidth/network efficiency reasons mining
> pools batch update the stratum templates/jobs they mine against so
> there can be significant latency between the time a transaction is
> actually broadcast and hits the miners mempool and the time the miners
> actually switch to mining on top it, these batched updates are
> essentially like point in time snapshots of the mempool and typically
> remain valid(as in the pool will accept shares submitted against that
> job as valid) until the bitcoin network finds the next block. I don't
> think these batch updates are done more often than every 30 seconds
> typically, while often it is on the order of multiple minutes
> depending on the pool.
>
> Regards,
> James
>
> On Thu, Jun 17, 2021 at 2:14 PM raymo via bitcoin-dev
> <bitcoin-dev at lists.linuxfoundation.org> wrote:
> >
> > Hi,
> > I have a proposal for improve Bitcoin TPS and privacy, here is the post.
> >
> https://raymo-49157.medium.com/time-to-boost-bitcoin-circulation-million-transactions-per-second-and-privacy-1eef8568d180
> > https://bitcointalk.org/index.php?topic=5344020.0
> > Can you please read it and share your idea about it.
> >
> > Cheers
> > Raymo
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