Why we ask for your phone number
We pay Ethereum fees (gas) for your wallet. So we need to ensure no-one tries to drain our bank account by creating a million wallets.
What we store
For phone number verification during onboarding, we only need to check that your number is unique. Once you verify your phone number, we "hash" it – encrypt it in a way that it cannot be decrypted, even by us.
If the same number is used again, the hash will be identical. We can compare the two hashes and see that it has already been used, without knowing the actual phone number.