# Missing balance & incorrect USDC/USDC.E tracking on Arbitrum & Polygon wallets

**URL:** <https://discuss.koinly.io/t/missing-balance-incorrect-usdc-usdc-e-tracking-on-arbitrum-polygon-wallets/27424>\
**Category:** Koinly Support\
**Created:** [January 11, 2026, 1:22pm UTC](https://discuss.koinly.io/t/missing-balance-incorrect-usdc-usdc-e-tracking-on-arbitrum-polygon-wallets/27424 "2026-01-11T13:22:42Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![lammiver](https://yyz2.discourse-cdn.com/flex052/user_avatar/discuss.koinly.io/lammiver/32/1523_2.png) [@lammiver](https://discuss.koinly.io/u/lammiver)\
**Post date:** [January 11, 2026, 1:22pm UTC](https://discuss.koinly.io/t/missing-balance-incorrect-usdc-usdc-e-tracking-on-arbitrum-polygon-wallets/27424/1 "2026-01-11T13:22:42Z")

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**Describe the problem:**  
Transactions are missing purchaes history

**Which exchange/wallet is this regarding?**  
Kraken wallet arbitrum

**How did you import data into this wallet?**  
Through my wallet address

**What have you tried to fix this so far?**  
Full resync

but it still says

- Missing 999.000022 ꓴꓢꓓС between 2025-11-07 14:01:08 UTC and 2025-11-12 12:17:21 UTC

Quite new book, only 23 transactions.

I also struggle with polymarket (Polka)

| Asset | Calculated Balance | Reported Balance | Difference |
| --- | --- | --- | --- |
| USDC | 884.411959 | 0.0 | 884.411959 |
| USDC.E | 87.6 | 972.011959 | -884.411959 |

Maybe ocrrelated? i used the polyscanner and it says ive only usdc.e and not usdc so unsure why koinly says ive usdc

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**Author:** ![Aria\_Koinly](https://yyz2.discourse-cdn.com/flex052/user_avatar/discuss.koinly.io/aria_koinly/32/9150_2.png) [@Aria\_Koinly](https://discuss.koinly.io/u/Aria_Koinly)\
**Post date:** [January 11, 2026, 1:26pm UTC](https://discuss.koinly.io/t/missing-balance-incorrect-usdc-usdc-e-tracking-on-arbitrum-polygon-wallets/27424/2 "2026-01-11T13:26:02Z")

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Hi @lammiver

You should check the transactions. These errors are generally due to spam USDC tokens. Refer to [🐍 Address poisoning](https://support.koinly.io/en/articles/9490057-spam-tokens#h_c793a36b8e)

If this is not the case, please refer to our support team via the in-app chat to have a closer look at this.

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**Author:** ![system](https://canada1.discourse-cdn.com/flex052/uploads/koinly_app/original/1X/7ac58e5593a7122893d066794a7254dcdb5ddb31.png) [@system](https://discuss.koinly.io/u/system)\
**Post date:** [March 12, 2026, 1:26pm UTC](https://discuss.koinly.io/t/missing-balance-incorrect-usdc-usdc-e-tracking-on-arbitrum-polygon-wallets/27424/3 "2026-03-12T13:26:47Z")

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