THE FIELD GUIDE

Crypto transfer guides

Understand the transfer. From choosing a network to finding a missing transaction, start with the question in front of you.

23 guides

Networks

How to choose the right network for a crypto transfer

Match the receiving network, token version and deposit requirements before comparing the total cost of a crypto transfer.

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Stablecoins

USDT ERC-20 vs TRC-20: which network should you use?

Compare Ethereum and Tron USDT transfers, including receiver support, gas resources, withdrawal fees and address formats.

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Stablecoins

USDC vs USDC.e: which one do you actually hold?

Native USDC and bridged USDC.e share a price and a name but not an issuer, a contract or guaranteed deposit support. Tell them apart before you send.

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Networks

Same address on different networks: is it safe?

One EVM address exists on every EVM network, but balances do not travel with it. Learn when that is harmless and when it loses funds.

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Fees

Cheapest network to send USDC and USDT

Fee tables go stale within hours. Here is the method for working out the cheapest network your recipient will actually accept, using quotes you can see today.

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Fees

Withdrawal minimums and crypto dust explained

Why a platform refuses a small withdrawal, why a deposit below the minimum may go uncredited, and what to do with a balance too small to move.

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Stablecoins

USDC vs USDT: which to use for a transfer

Different issuers, different networks, different deposit support. What actually changes for a transfer between USDC and USDT, and what does not.

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Networks

Bridging crypto between networks: how it works and risks

Bridges move value between chains in several different ways, and each way has a different thing that can break. How to tell them apart before you use one.

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Networks

Layer 2 vs layer 1: what changes when you send

Layer 2 networks are cheaper and faster for most transfers, but they change what pays the fee, how withdrawals work and which token versions you hold.

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Networks

Chain IDs explained, with a list for each network

A chain ID identifies the network a signed transaction belongs to. Why it exists, where to check it, and how to verify one safely.

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Networks

How to add a custom network to your wallet safely

A website can ask your wallet to add a network in one click. What that prompt actually installs, what your wallet does not check for you, and how to verify it.

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Fees

Why do I need ETH to send USDC?

Find the gas token on the network holding your USDC, understand separate balances, and check whether your wallet supports another way to pay.

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Fees

Withdrawal fee vs network fee: what are you paying?

Separate exchange withdrawal charges from wallet gas, compare net received amounts, and avoid counting the same fee twice.

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Fees

Gas limit vs gas price: calculate the fee correctly

Gas limit and gas price are different inputs. Understand gwei, fee caps and gas actually used, with a worked example and the layer 2 caveats.

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Troubleshooting

Pending vs failed crypto transactions: what to check

Read the transaction status before retrying, understand failed-transaction fees, and distinguish an onchain result from an exchange credit.

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Networks

Does Polygon use POL or MATIC for gas?

Polygon PoS uses POL. Understand old MATIC labels, native versus wrapped balances, and why the network matters when obtaining gas.

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Troubleshooting

Sent crypto on the wrong network? Check this first

Sent crypto on the wrong network? Establish the transaction and custody type, find the official recovery path, and learn what is actually recoverable.

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Troubleshooting

How long does a crypto transfer take?

Network confirmation and account credit are two different clocks. Why a transfer can be visible onchain and still missing from your balance.

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Troubleshooting

Destination tag or memo: when your deposit needs one

Some deposits need a memo or destination tag as well as an address. What they do, which assets use them, and what happens when one is missing.

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Troubleshooting

How to read a block explorer transaction

A transaction page answers most transfer questions if you know which fields to read. Status, from, to, value and fee, and what each one does not tell you.

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Troubleshooting

How to cancel or speed up a stuck transaction

A pending transaction can be replaced with a higher fee or cancelled. A confirmed one cannot. How replacement works and when it fails.

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Security

Token approvals: how to check and revoke them

An approval lets a contract move your tokens on your behalf, and it stays in place until you remove it. How to see what you have granted and how to revoke it.

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Security

Crypto support scams: the 3 requests that prove it

Support, migration and recovery scams follow one script. What they ask for, and the three requests that prove a scam every time.

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