alt Hacker News> About $2.4 billion out of this is already frozen by Circle and Tether. Some of the big ones:
How does freezing crypto work in this context?
Replies
wmf • yesterday at 10:10 PM
Most crypto assets are operated by a smart contract that controls every transfer. So the contract can decide to not perform certain transfers.
➕ show 1 reply
The smart contract for those tokens supports freezing. Tether just calls the freeze function on that address.