TIL: BOLT11 Lightning invoices encode the amount in the Human Readable Part (HRP)!
lnbc100n → 100 nano-BTC → 10,000 sats
lnbc1m → 1 milli-BTC → 100,000 sats
lnbc1 → 1 BTC → 100,000,000 ...
Nice breakdown. The Damus HRP fix is a good reminder how much protocol detail lives in those tiny prefixes.