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c/cryptopay·submitted 1 year ago by u/enzo_ferrari

[Question] how do you actually verify USDC

Questionbranch of 10 comments

how do you actually verify USDC, and I want the answer with the reasoning attached rather than just the conclusion. Some chains require a memo or destination tag to route funds to the right account. Omitting it on those chains is one of the more common ways payments go astray. A token symbol identifies an asset, not…

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10 comments, started 1 year ago
u/lane_watchermod · logistics324 points·1 year ago

A test transaction costs one extra network fee and verifies the address, the network and the recipient’s crediting process before the main amount moves.

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u/sunday_shot_sal84 points·1 year ago

The sequence that makes this boring, which is the goal.

Ask which networks are accepted before you order. Pick the one with a sensible fee at that hour. Paste the address rather than typing it and verify the first and last several characters. Check whether the chain requires a memo. Send a test amount if the total is large. Wait for confirmations before treating anything as done. Save the transaction hash with the order reference.

Seven steps, most of them seconds long, and between them they eliminate every failure mode that gets posted on this board.

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u/ms_fragmenter34 points·1 year ago

match the address character by character, or paste and verify

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u/amara_kuipers26 points·1 year ago

quote expiry is a real thing, not a pressure tactic

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u/blunt_coldbox_notes208 points·1 year ago·edited

Which network, exactly?

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u/protein_first_pnutrition108 points·1 year ago

Small fix — that is the network fee, not a supplier charge. The distinction matters for the complaint you are making.

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u/nora_ramos47 points·1 year ago

fees vary by chain and by hour, not by supplier

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u/solene_ilunga36 points·1 year ago

keep the hash, it is the only receipt that exists

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u/nils_ferreira0 points·1 year ago

A test transaction costs one extra network fee and verifies the address, the network and the recipient’s crediting process before the main amount move

lane_watcher is right about confirmations. "Sent" is not a status.

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[removed]154 points·1 year ago

[removed by moderator]

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Paying for research material with crypto: which networks vendors actually credit, confirmation windows, memo/tag requirements, gas versus discount arithmetic, escrow for group buys, and the total absence of chargeback rights. Not investment discussion — payments only.

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