Re: [Bitcoin-development] BIP70: why Google Protocol Buffers for encoding?

[Ross Nicoll <jrn@jrn.me.uk>]

That was essentially what we did in the end, we replaced the network
identifier ("main"/"test") with the genesis block hash. The result is
never going to accidentally work with Bitcoin Core (nor vice-versa), but
is readily extensible to any other altcoins that want to use the
specification without requiring any sort of central registry.

Ross

On 24/01/15 13:19, Isidor Zeuner wrote:
>> For what it's worth, there was consideration of replacing protocol
>> buffers when modifying BIP70 to function with the altcoin I work on
>> (changes were required anyway in eliminate any risk that payment
>> requests could not be accidentally applied to the wrong blockchain).
>
> Why not serialize some kind of blockchain identifier with the
> messages? Arbitrarily deviating from a given design choice just for
> the sake of doing it differently may serve the goal of creating more
> overall code diversity, but would not necessarily serve the quality of
> the blockchain network where it is done for.
>
> Best regards,
>
> Isidor