Cem Paya
Author

Cem Paya

Chief Security Officer at Gemini

articles written by Cem Paya

Better Two-Factor Authentication (2FA)

We have required all of our customers to use two-factor authentication (2FA) from day one. In keeping with our security-first philosophy of protecting and educating our [...] We have required all of our customers to use two-factor authentication (2FA) from day one. In keeping with our security-first philosophy of protecting and educating our customers, we want to provide some background on our 2FA system to encourage our customers to use the Authy app for 2FA rather than SMS, and to dispel some common [...] Read More

Your Bitcoin Wallet May Be At Risk: Safenet HSM Key-Extraction Vulnerability

As a next generation Bitcoin exchange, ensuring the security of bitcoin on deposit is Gemini’s top priority. Perhaps more so than credit-cards, ACH or any other payment [...] As a next generation Bitcoin exchange, ensuring the security of bitcoin on deposit is Gemini’s top priority. Perhaps more so than credit-cards, ACH or any other payment systems, Bitcoin is the one payment technology where possession of money can be boiled down to pure cryptographic capability: generating a signature with an ECDSA private [...] Read More