# 2.1 Balance top up

‼️ **Important points:**

* The HASH7 appsystem balance is replenished via the TON network.
* The system balance must be replenished to pay **for the annual subscription in the app**, as well as for **the bot fee in the amount of 20% from the trading profit.**
* You can replenish the system balance via any compatible wallet (for example, TrustWallet or Tonkeeper), or via the exchange.

📄 **Instructions for replenishing the system balance:**

* [Balance top up via TrustWallet](https://hash7-gitbook.gitbook.io/en/quick-start/2.1-balance-top-up/2.1.1-balance-top-up-via-trustwallet);
* [Balance top up via Tonkeeper](https://hash7-gitbook.gitbook.io/en/quick-start/2.1-balance-top-up/2.1.2-balance-top-up-via-tonkeeper);
* [Balance top up via Binance](https://hash7-gitbook.gitbook.io/en/quick-start/2.1-balance-top-up/2.1.3-balance-top-up-via-binance);
* [Balance top up via Bybit](https://hash7-gitbook.gitbook.io/en/quick-start/2.1-balance-top-up/2.1.4-balance-top-up-via-bybit);
* [Balance top up via BingX](https://hash7-gitbook.gitbook.io/en/quick-start/2.1-balance-top-up/2.1.5-balance-top-up-via-bingx);
* [Balance top up via OKX](https://hash7-gitbook.gitbook.io/en/quick-start/2.1-balance-top-up/2.1.6-balance-top-up-via-okx);
* [Balance top up via MEXC](https://hash7-gitbook.gitbook.io/en/quick-start/2.1-balance-top-up/2.1.7-balance-top-up-via-mexc);
* [Balance top up via KuCoin](https://hash7-gitbook.gitbook.io/en/quick-start/2.1-balance-top-up/2.1.8-balance-top-up-via-kucoin).