Well done Kraken 👍
`sign a non-transactional message to confirm you control the wallet's private key`
```
What's changing: Transactions involving private wallets will require a one-time wallet ownership verification. Once verified, that wallet address won't need verification again.
Two simple ways to verify:
- Self-Certification: one-click confirmation + Funding 2FA check.
- Digital Signature: sign a non-transactional message to confirm you control the wallet's private key. Learn more about Digital Signature here.
```