"Thousands of bitcoin believers descended on Miami to party and preach the gospel of 'HODL'". CNBC. Retrieved 2021-11-04. ↑ Bitcoin 2021 Livestream - Day 1, retrieved 2021-11-11 ↑ Bitcoin 2021 Livestream - Day 2, retrieved 2021-11-11 ↑ Esposito, Anthony (2021-06-06).