Quick TakeThere are only four exchanges that have historically attracted the most liquidity for BTC/USD pairs — Bitfinex, Coinbase, Kraken, and BitstampIn terms of BTC/USD volume, 2020 monthly high is still four times smaller than the all-time record in December 2017Coinbase is the leader for BTC/USD volume while Kraken is the clear leader for BTC/EUR volumeBitfinex’s share of volume dropped significantly in the last three years – from 50% to less than 20% now