The safety of our users is our TOP PRIORITY.
Therefore, we do not want to expose them to a possible breach that will lead them to the theft of their funds and their data.
Mobile 2FA text messages are vulnerable to SIM SWAP attack, and they are not a safe method of securing anything online.
Therefore, we do not use a 2FA mobile phone verification number to secure accounts on BitcoinBlink.com.
This video explains what a SIM SWAP attack is: