After a crypto swap, do three things first: confirm on a block explorer that the right coin arrived on the right network, move anything you do not plan to spend soon into safer storage, and ignore anyone who contacts you offering "support". The 15 steps below cover those three and the habits around them.
Most losses after a swap come from ordinary mistakes: a fake support link, a pasted address that was replaced, the wrong network, or a seed phrase saved as a photo. None of them involves the swap itself, whether it was made on the SwapRocket exchange or anywhere else.
- Confirm the payout on a block explorer: right coin, right network, confirmed.
- Do not trust direct messages, "support agents" or sponsored search results.
- Move larger balances to a hardware wallet or another cold wallet.
- Keep your devices updated and free of extensions you do not use.
- Back up your seed phrase offline, on paper or steel, and keep it out of photos and cloud storage.
The 10-minute check after a swap
The first five steps confirm that the swap landed where you meant it to.
1. Verify the payout on a block explorer
A wallet app can be slow to update or can be set to the wrong network. The blockchain is the record that counts.
- Copy your receiving address from your wallet.
- Paste it into the block explorer for that chain.
- Check that the transaction exists, that the amount is what you expected, and that its status is confirmed.
A swap on SwapRocket typically takes 5 to 30 minutes, set mostly by how fast the deposited coin confirms. Once the payout has been sent, the explorer will show it.
2. Confirm the network
"Missing" funds are very often funds on a different network from the one you are looking at. USDT is the usual example: it exists on Ethereum (ERC-20), Tron (TRC-20), Solana and BNB Chain (BEP-20), with the same ticker and different addresses and explorers.
Quick checks:
- Addresses on Ethereum and other EVM chains start with
0x. - Solana addresses are long strings of letters and numbers with no
0x. - Tron addresses start with
T.
The USDT networks guide explains the differences. On a pair page such as the ETH to USDT exchange, the network is part of the coin you select, so check it before you send.
3. Check the token contract
On Ethereum and similar networks, anyone can create a token and call it "USDT". Your wallet may show it with a familiar name and logo.
- In the block explorer, open the token you received.
- Compare its contract address with the one published by the issuer.
- Treat a token you did not expect, or cannot verify, as worthless until proven otherwise.
4. Compare the amount you received with the estimate
SwapRocket uses a floating rate. The estimate shown before you send already includes the fee and the payout network fee, and the final amount follows the market while your deposit confirms. A small difference from the estimate is normal. A different coin, or a different network, is not.
5. Keep a record of the swap
Save the date, the pair, the amounts sent and received, the swap ID and the transaction hashes. You will want them for your own records and for any support request.
Do not save screenshots of a seed phrase, and crop any screenshot that shows balances and addresses before you share it.
Lock down your wallet, seed phrase and storage
6. Decide what is spending money and what is savings
- Spending: a small balance that stays in a hot wallet.
- Savings: everything else, which goes to cold storage.
If you swapped into a stablecoin to step out of the market for a while, treat it as savings. A stablecoin can be stolen as easily as any other token.
7. Choose the right storage
| Storage option | Good for | What can go wrong |
|---|---|---|
| Hot wallet on a phone or computer | Frequent swaps, small balances | Malware, phishing approvals, a stolen device |
| Hardware wallet | Long-term holdings | A tampered device from an unofficial seller, a lost recovery phrase |
| Dedicated offline phone | Medium-term storage | Poor backups, apps installed by accident |
| Exchange account | Active trading on that exchange | The exchange holds the keys and can freeze the account |
For anything you plan to hold, a hardware wallet bought directly from the manufacturer is the usual choice. Cold wallet basics goes through the options.
8. Back up your seed phrase offline
Your seed phrase is the master key to the wallet. Anyone who has it has your coins.
- Write it on paper or stamp it into a steel backup.
- Keep two copies in two separate places.
- Never store it in photos, a notes app, an email draft or cloud storage.
What a seed phrase is explains how it works and why it cannot be reset.
9. Consider a passphrase
Many wallets let you add a passphrase on top of the seed phrase. Someone who finds your 12 or 24 words still cannot open the wallet without it.
The cost is that nobody can recover a forgotten passphrase. If you use one, back it up as carefully as the seed phrase, and store it separately.
10. Secure the device
Many losses start with a compromised phone or computer, not with the wallet.
- Install operating system updates.
- Use a strong device passcode.
- Turn off clipboard syncing between devices if you copy and paste addresses.
- Remove browser extensions you do not use or do not recognise.
11. Keep one wallet for swapping and one for holding
- Use one wallet for swaps and everyday activity.
- After a swap, move larger amounts to a second wallet that you rarely touch.
- Sign as little as possible with the second wallet.
This keeps the wallet that holds most of your funds away from the sites and approvals your everyday wallet meets.
Threats after a swap: phishing, address tricks and privacy
12. Ignore "support" that finds you
A common trap: you search for your transaction hash, click a sponsored result that looks like a block explorer, and a pop-up says your transaction is stuck and you must connect your wallet to fix it. Connecting is how the wallet gets drained.
- Never connect a wallet to a site in order to "unstick" a transaction.
- Never accept help offered by direct message.
- Reach explorers and services from your own bookmarks.
SwapRocket's support address is support@swaprocket.io, and the FAQ answers the common questions. Real support needs your swap ID and transaction hash, and never your seed phrase. The swap scam red flags guide covers the other patterns.
13. Check every pasted address
Clipboard malware replaces a copied address with the attacker's address at the moment you paste.
- Compare the first six and last six characters after every paste.
- On a hardware wallet, confirm the address on the device screen.
- For a large transfer, send a small test amount first and wait for it to arrive.
14. Revoke token approvals you no longer need
A swap on SwapRocket uses a deposit address, with no wallet connection and no smart contract to approve. If you also use DeFi applications, though, your wallet may carry approvals that let a contract move your tokens.
- Review your approvals from time to time.
- Revoke any you do not recognise or no longer use.
15. Keep your wallet addresses private
If someone can link a wallet address to you, they can watch its balance and activity and use what they see to make a scam message more convincing.
- Do not post addresses or uncropped wallet screenshots in public.
- Use a fresh receiving address when your wallet offers one.
Blockchains are public, so a swap does not hide a transaction. What an account-free swap avoids is handing identity documents to one more company for an ordinary exchange.
Three examples of a secure finish
ETH to USDT, to step out of the market
After an ETH to USDT exchange:
- Confirm that the USDT arrived on the network you chose.
- Move it to your holding wallet if it is more than a spending balance.
- Record the transaction hash.
SOL to ETH, for use on Ethereum
After a SOL to ETH exchange:
- Confirm the ETH on an Ethereum explorer.
- Keep only what you plan to spend, plus gas, in the hot wallet.
- Be wary of links that reach you soon after the wallet is funded.
BTC to USDT, after a rise in price
You can check the current rate with the BTC to USDT converter before a BTC to USDT exchange. Afterwards:
- Confirm the USDT on the intended network.
- Consider splitting a large balance between wallets.
- Keep in a hot wallet only the part you expect to swap again soon.
The checklist in short
Straight after the swap
- [ ] Find the payout transaction on the correct block explorer
- [ ] Confirm the coin, the network and the token contract
- [ ] Compare the amount received with the estimate
- [ ] Save the swap ID and transaction hashes
Within the hour
- [ ] Move savings to cold storage
- [ ] Check the pasted address on every follow-up transfer
- [ ] Remove extensions you do not use
Every month or so
- [ ] Review and revoke old token approvals
- [ ] Update wallet apps and the operating system
- [ ] Check that your seed phrase backups are still readable and where you left them
Where SwapRocket fits
SwapRocket is a crypto-to-crypto exchange for 700+ assets, with no account and no email.
- Non-custodial: you send from your own wallet, and the swapped coins go to the address you give.
- No KYC for standard swaps: the licensed liquidity provider that executes the swap screens transactions and can, rarely, hold a flagged one and ask for verification.
- Floating rate: the estimate shown before you send includes the fee and the payout network fee.
- Timing: a typical swap takes 5 to 30 minutes.
SwapRocket is not offered to residents of the United States or the United Kingdom.
Frequently Asked Questions
How do I check that my swap actually arrived?
Paste your receiving address, or the payout transaction hash, into the block explorer for that network. If the transaction shows as confirmed there, the coins are at your address, even if your wallet app has not updated yet.
My wallet shows nothing after a swap. What should I do?
Check that the wallet is set to the network the payout was sent on, and that the token is added to its list. Then look up the address on the explorer for that network. If the payout is confirmed on-chain, the issue is how the wallet displays it, not the swap.
Should I move coins to a hardware wallet after every swap?
Move what you plan to hold. A small balance for spending or for your next swap can stay in a hot wallet, and anything you would not want to lose belongs in cold storage.
Is it safe to share my transaction hash?
Yes. A transaction hash and a swap ID are public references that real support needs in order to find your swap. Your seed phrase and private keys are never needed, by anyone.
Will SwapRocket support ever message me first?
No. Contact starts from you, by email to support@swaprocket.io. Treat any account that messages you first offering help as fake.
Related reading
- Leaving centralized exchanges: a step-by-step guide to self-custody
- Crypto swap safety checklist
- Crypto swap fees: the hidden costs
Start your next swap
Open the SwapRocket exchange from your own bookmark, check the estimate, and run through the checklist above once the payout arrives.
