Boston-based Flipside Crypto, which uses blockchain transaction data to analyze cryptocurrencies, announced it has added Coinbase Ventures and Digital Currency Group as investors. In addition, fintech entrepreneur Jeff Parker also joined the funding round along with current investors True Ventures, Castle Island and Boston Seed Capital. Flipside Crypto has raised $4.5 million to date. The company was founded in mid-2017 by CEO Dave Balter, Jim Myers and Eric Stone.