PayPal
donate for connecting PayPal for OCA wallet, and using one wallet for exchange from PayPal to Bitcoin and Bitcoin to PayPal)
bitcoin:3LL47PenpZUDa2RHAz3XnDkhorXzyXmMmL
Monero
donate for connecting Monero for OCA wallet, and using one wallet for exchange from Monero to Bitcoin and Bitcoin to Monero)
bitcoin:3Adm5Bi1oSvLjH4ckDupxJ3khhuC8paE1D
Etherium
donate for connecting Etherium for OCA wallet, and using one wallet for exchange from Etherium to Bitcoin and Bitcoin to Etherium)
bitcoin:3F7gvWJutUALwH31Z6LXnB2dq1h3Pu6dEF