Tether abandoned plans to freeze its dollar-pegged USDT tokens on several older blockchains and is choosing instead to ...

If you are using Chrome, then make sure to follow the protocol fixes for SSL3/TLS and QUIC which are some of the reasons to cause the SSL version / Cipher Mismatch.

Tether revises its plan, leaving USDT on legacy chains unsupported, instead of freezing. Discover the new strategy for affected networks.