TL;DRIf your portfolio shows spam or fake tokens, you can remove them and prevent future re-imports using the Blockchain Importer start date or the Spam Center. Unusual entries like duplicate or misspelled coin names (e.g., "UD" instead of "USDC") are often caused by dusting attacks and can be safely ignored or deleted. If certain exchanges (like Bitget) generate an unusually high transaction count due to bots or copy trading, this may also affect your plan's transaction limit. Always verify tokens using a block explorer and back up your data before making changes.
1) What are unwanted transactions and how do they occur?
When importing data via API or Blockchain Import, tokens may appear that you never traded. These are usually spam or fake tokens airdropped to your wallet and may distort your portfolio with false values.
Because API and blockchain jobs update daily (if automatic import is enabled), simply deleting these tokens won't prevent them from being re-imported.
To permanently remove them, you can:
Set an import start date to ignore older transactions
Use the Spam Center to block future imports
2) How can I identify spam tokens?
To investigate a suspicious token:
- Go to the Transactions page and enable the Advanced Table View.
- Locate the transaction hash of the suspected entry.
Paste the hash into the relevant blockchain explorer (e.g., Etherscan).
Look for warnings or tags such as "Fake" or "Phishing".
Alternatively, paste your wallet address into the explorer and review recent tokens.
Use the explorer's spam filter options if available.
What are dusting attacks and why do I see coins like "UD" instead of "USDC"?
Sometimes a wallet receives tiny amounts of a token with a fake or duplicated name (for example, "UD" instead of "USDC"). This is typically the result of a dusting attack, where small amounts of tokens are sent to many wallets, often to spam portfolios or track wallet activity.
These dust transactions can safely be ignored or deleted. Doing so will not affect the correct balance or wallet mapping of your real holdings.
3) How do I delete spam transactions and prevent future re-imports?
Part A: Prevent future imports
Go to your Wallet Import Settings.
Click Edit next to the relevant wallet or blockchain job.
Under "Optional settings and filters", set a Start Date (e.g., 01.01.2023).
Save the changes.
This blocks all earlier transactions from re-importing.
Part B: Delete existing spam transactions
Go to Transactions.
Use filters to find unwanted tokens (e.g., by name or wallet).
Tick the checkboxes next to those transactions.
Click Delete and confirm.
Tips:
Always create a backup first: Backup Guide
Use Shift or Ctrl keys to bulk-select transactions
If tokens reappear, check all related API/blockchain jobs and ensure they use correct start dates
4) How do I use the Spam Center?
The Spam Center lets you permanently block specific tokens from re-importing.
Supported blockchains: ADA, AETH, ALGO, ATOM, AVAX, BNB, BSC, CRO, DOT, ELGD, ETH, LINEA, FTM, LUNA, SOL
Use it to:
View flagged spam
Mark tokens as spam manually
Block future imports of selected tokens
Read more in our Spam Center FAQ
5) How do I delete spam transactions by import date?
If spam transactions were re-imported after setting a start date:
Go to Transactions > Bulk Delete
Choose the relevant wallet/exchange
Click "Delete selected transactions by import/added date (optional)"
Select the timeframe of the spam transactions
Alternative:
- Enable the **Extended Table View
**
Sort by Add Date
Delete recently imported entries manually
6) Why do I suddenly have an unusually high number of transactions (e.g., from Bitget)?
Some exchanges can generate a very large number of transactions automatically. On Bitget, for example, features like Grid Bot trading or Copy Trading execute many small trades in the background, which can quickly inflate your total transaction count. Even if you didn't trade manually that often.
This matters because every CoinTracking license comes with a maximum transaction limit (for example, the Expert S plan includes up to 20,000 transactions). A high volume of bot-generated trades, spam tokens, or dust transactions can push your account over this limit.
If this happens, you can:
Review and delete unnecessary spam/dust or bot-generated transactions using the methods above
Upgrade your license to a plan with a higher transaction limit. When you upgrade, the remaining time on your current license is credited toward the new plan
Use a combination of start dates, manual deletions, and the Spam Center to ensure your portfolio remains accurate and free of unwanted tokens.