An address starting with 1aXzE transferred approximately 26,139 bitcoins worth about $1.347 billion to an address starting with 3M6XX yesterday, as monitored by Arkham.It is reported that the largest Bitcoin transaction prior to this occurred in April 2020, involving a trade of 161,500 BTC worth about $1.1 billion, involving two Bitfinex addresses, which was later confirmed by CTO Paolo Ardoino. Prior to that, other major transactions in 2019 and 2020 ranged from $491 million to $1.033 billion.