It's a really complicated transition, but it's already started. The estimate is that there's probably about $1.5B worth of transactions left to mine, but most t

It's a really complicated transition, but it's already started. The estimate is that there's probably about $1.5B worth of transactions left to mine, but most transactions will be switching over to PoS in the coming year. No one knows for sure when the full transition will occur, it's more of a gradual phase-out.