: Unlike card payments, eChecks typically take 3 to 7 business days to clear.
: You can sometimes use eChecks through PayPal to fund a crypto purchase if your bank account is linked, though exchange support for this varies. How the Process Works buy bitcoins with echeck
While they are often confused, they differ in how they are treated by exchanges: Buy Bitcoin & Crypto with eCheck | CEX.IO Guide : Unlike card payments, eChecks typically take 3