Coinbase, Mastercard in advanced talks to buy $2B stablecoin firm [https://www.thestreet.com/.image/t_share/MTk4NTA5NTkxNDExMTczMjg3/coinbase.jpg] Coinbase, Mastercard in advanced talks to buy $2B stablecoin firm Coinbase appears to have the inside track over Mastercard. [https://www.thestreet.com/crypto/investing/coinbase-mastercard-stablecoin-buy]