Following Bank of New York Mellon's announced entry into Bitcoin (BTC-USD) on Thursday, it took very little time for JPMorgan (JPM), Goldman Sachs (GS), and Morgan Stanley (MS) to call up favored outlets and leak their own plans invest in the crypto world.In JPMorgan's case, some details of a big January call were divulged in which traders and sales teams all but demanded the bank get started in offering Bitcoin products. For Goldman, that bank recently hosted Galaxy Digital (BRPHF) boss Mike Novogratz (a former Goldman partner) to talk about the burgeoning digital asset market.Moving on to Morgan Stanley, that lender's $150B Counterpoint Global Investment group is mulling a stake in Bitcoin. Morgan Stanley is already an 11% owner in Bitcoin derivative Microstrategy (MSTR).In this weekend's FUD, the increasingly curious Nassim Taleb - previously thought to be simpatico with Bitcoin (he wrote the forward to Saifedean Ammous' The Bitcoin Standard) -