USDC exists on Ethereum, Solana, Polygon, Base, Avalanche and a dozen other networks. They are different chains with different rules. An address that receives USDC on one is not a receiving address on another — and coins sent to the wrong one do not bounce.
This is why Receive in Smartable does not show "your address". It shows a row for each asset-and-network pair, with a filter to narrow the list. You pick the pair; the app shows the address and QR code for exactly that pair.
What to send the other person
Three things, together:
- the network name, spelled as the sending app spells it;
- the address for that network;
- the asset.
"USDC on Base" plus the address is unambiguous. "My USDC address" is not.
If they send from an exchange
Exchanges name networks in their own way — the same chain may appear as ERC-20, Ethereum, or ETH mainnet. Match the chain, not the label, and send a small test amount first when the amount matters.
Related
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One rule
Support will never ask for your recovery phrase, private key or password, and never messages you first. Anyone who does is not us — whatever address, avatar or logo they use.