$IRYS "0x addresses are hard to remember. Your wallet name doesn’t have to be 🙌
With Agent ID, your Agentic Wallet can have an easy to remember name, like yourname.ai.
Claim your free Agent ID on Binance Wallet. First come, first served." means that instead of sharing a long, complex crypto wallet address starting with “0x…”, you may be able to claim a simple, human-readable wallet identifier such as yourname.ai for your Agentic Wallet.

The post is promoting Agent ID, a naming feature in Binance Wallet intended to make receiving, identifying, or sharing a wallet easier. “First come, first served” indicates that names are limited: once a particular name has been claimed by someone else, it may no longer be available.