RealOpen Certified · Field resource
Custody and liquidity quick reference
Where a buyer's crypto can be and what it takes to verify and move it from each place, with lead times.
From Lesson 1, Crypto basics for agents and Lesson 4, Proof of funds and verification. By Johnny Schiro. Updated 2026-10-10.
Network notes
| Network | Fee paid in | Confirmation | Notes |
|---|---|---|---|
| Bitcoin | BTC | Minutes to over an hour; RealOpen trades after two confirmations | A low fee is the usual cause of a stuck transfer |
| Ethereum | ETH | Seconds to minutes | Stablecoins need ETH in the wallet for the fee |
| Tron | TRX | Seconds to minutes | USDT and USDC only |
| Solana | SOL | Seconds | |
| XRP Ledger | XRP | Seconds | Destination tag when the instructions show one |
| Cardano, Dogecoin, Zcash, BNB Smart Chain, Polygon | Their own coin | Minutes | Zcash transparent addresses only |
Accepted assets and networks change. The current list is at realopen.com/buy/accepted-crypto.
RealOpen Certified is a private designation issued by RealOpen. It is not continuing education credit and is not issued or endorsed by any state licensing authority. How certifying works.