Crypto news, practical guides and NefiSwap updates.
Ethereum
Understand who grants an ERC-20 allowance, what it permits, and how it differs from a wallet connection or a completed swap.
Based on reporting by Ethereum ERC specification, MetaMask, OpenSea
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Stop, record the transaction details and contact the correct receiving service. A practical checklist for a network mismatch without making a recovery promise.
Based on reporting by Tether
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A wallet address may not be the only receiving detail. Learn when a memo or destination tag is required and what to check before confirming your exchange.
Based on reporting by XRP Ledger
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USDT can use different blockchain networks. Learn how to match the sending and receiving network and distinguish a network fee from an exchange quote.
Based on reporting by Tether, ethereum.org, TRON documentation
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