pub const J8_RIVER_CSV: &str = "Date,Sent Amount,Sent Currency,Received Amount,Received Currency,Fee Amount,Tag\r\n\
2025-01-05 12:00:00 UTC,4000.00,USD,0.10000000,BTC,,buy\r\n\
2025-03-10 12:00:00 UTC,0.10000000,BTC,,,,withdrawal\r\n";Expand description
J8 River corpus (UX-P1-8): a buy (to give the coins a basis) then a Withdrawal OUT of 0.10 BTC — the out-leg of a cross-exchange self-transfer whose in-leg lands on Coinbase below.