$BTBT CORRESP SEC Filings

10-K 10-Q 20-F 20-F/A 3 305B2 4 424B3 424B4 424B5 6-K 6-K/A 8-A12B 8-K CERT CORRESP CT ORDER D DEF 14A DEFA14A DRS DRS/A DRSLTR EFFECT F-1 F-1/A F-3 F-3/A FWP NT 20-F POS AM PRE 14A RW RW WD S-3 S-3/A S-3ASR S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13D SCHEDULE 13G SCHEDULE 13G/A SEC STAFF ACTION UPLOAD