The Western Alliance Bancorporation ($WAL) is a regional bank, and there is no public or official connection between the bank and the marine mammal, the walrus.
However, the three-letter ticker symbol WAL is also used by an entirely different entity in the cryptocurrency space:
🪙 WAL Cryptocurrency Token
There is a separate project called Walrus, which uses WAL as its native token ticker.
Name: Walrus
Token Ticker: WAL
Project Focus: Walrus is a developer platform focused on enabling data markets for the AI (Artificial Intelligence) era. It aims to make data trustworthy, secure, and monetizable using blockchain technology.
Connection to Banking WAL: This crypto project has no connection to Western Alliance Bancorporation (NYSE: WAL). They simply share the same three-letter abbreviation.

