Software firm MicroStrategy (NASDAQ: MSTR) has repaid the outstanding principal on its $205 million loan from the now-defunct Silvergate Bank (NYSE: SI), specializing in cryptocurrency services, as stated in a recent U.S. Securities and Exchange Commission filing. The company, co-founded by cryptocurrency proponent Michael Saylor, holds a substantial quantity of Bitcoin (CRYPTO: BTC) and disclosed the acquisition of an additional 6,455 Bitcoin, worth approximately $150 million (around $23,238 per coin), over the past five weeks.