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Just signed up.

One suggestion: two-factor authentication. After so many hacks, 2FA should be available on any site that holds users' bitcoin.

Thanks for the suggestion! I'll look into implementing that.

Check out Authy.

Coinbase uses it and it's really user friendly.

Agreed. Authy is great.

you mean two factor authentication for signups? or for what specifically?

he means for signing in after you've registered.