Commodity Futures Trading Commission Chairman Heath Tarbert announces his intention to resign early in 2021.Those in the crypto community consider Tarbert a friendly regulator, with his office having overseen a sizable expansion of crypto-related derivative products. In his resignation statement, in fact, Tarbert mentions the declaration of Ether (ETH-USD) as a commodity as one of his signal achievements.His exit, of course, clears the way for the Biden administration to name a replacement.Checking prices today, Bitcoin (BTC-USD) continues to hover just above $18K. Ethereum is down modestly at $555.21.Speaking of regulation, there's still be no Bitcoin ETF approved. Microstrategy might make for a decent synthetic ETF, yesterday announcing an upsized debt offering (to $550M) with which it will likely bring its Bitcoin holdings above $1B.