Investigating what it would take to add fiat currency information to Bitcoin
Knots, I noticed Electrum currently has many implementations, one for each
exchange rate provider, due to lack of a common format for such data.
Therefore, I put together an initial draft of a BIP that could standardise
this so wallets (or other software) and exchange rate providers can simply
interoperate without a lot of overhead reimplementing the same thing many
ways.
One thing I am unsure about, is that currently this draft requires using XBT
(as BTC) for Bitcoin amounts. It would seem nicer to use satoshis, but those
don't really have a pseudo-ISO currency code to fit in nicely...
Current draft here:
https://github.com/luke-jr/bips/blob/bip-xchgrate/bip-xchgrate.mediawiki
Thoughts? Anything critical missing? Ways to make the interface better?
Luke
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