What is SegWit?
Segregated Witness (SegWit) is a protocol upgrade developed in 2015. The protocol upgrade brought up a number of benefits, such as improved transaction speed and block capacity. In addition, SegWit solved the so-called transaction malleability bug.
Read more about Segwit here: A Beginner’s Guide to Segregated Witness (SegWit)
Why is my Bitcoin address invalid?
Your new Bitcoin, Litecoin and Digibyte Wallet are native SegWit compatible which means you can send/receive to/from any bech32 address. By making native SegWit mandatory for all users, we are fully embracing the latest standards when it comes to Bitcoin/Litecoin transactions. Trust Wallet is always pushing itself to the edge of innovation when it comes to new features and usability.
How to Send to a SegWit Address?
You can send your crypto first to an exchange that accepts transactions from legacy address (P2PKH and P2SH format). Afterwards, you can withdraw your coin to your Trust Wallet SegWit enabled address.
Track exchanges and wallets that support the Bech32 Segwit Address format: Bech32 adoption