by CryptoRank 
#1 Goldman offers new Bitcoin derivatives to Wall street investors — link
#2 Square reports $3.51B in bitcoin revenue via its Cash app for first quarter of 2021 — link
#3 IRS approved to seek records of Kraken users transacting over $20k in crypto — link
#4 Digital Currency Group invests in South Korean crypto exchange — link
#5 Latin American e-commerce giant MercadoLibre discloses treasury bitcoin buy — link
