If they do not now they could, in the future, retroactively find you and tax you for gains on BTC since the ledger is public and traceable. If this really conc

If they do not now they could, in the future, retroactively find you and tax you for gains on BTC since the ledger is public and traceable. If this really concerns you I suggest you read-up on Bitcoin Mixers / Tumblers - but be warned these services could be dubious and take your BTC for their own!