SIM card swapping in the USA does not require presence or a signature - meaning anyone can have their phone number stolen. With a swapped phone number, cryptocurrency accounts related to exchanges are an easy target.
Dovey Wan, co-founder of PrimitiveCrypto, called for the obvious solution, to require physical presence and an ID to swap a SIM card.
https://twitter.com/DoveyWan/status/1186882821194833920
A phone number is usually needed in 2FA systems, to protect exchange accounts. But this exact system allows for accessing those accounts and draining th...