# Reference

-   [Bitcoin](./bitcoin.md)
-   [Call APIs](./call_apis/call_apis.md)
-   [Candid](./candid/candid.md)
-   [Canister APIs](./canister_apis/canister_apis.md)
-   [Canister Methods](./canister_methods/canister_methods.md)
-   [Environment Variables](./environment_variables.md)
-   [Management Canister](./management_canister/management_canister.md)
-   [Plugins](./plugins.md)
-   [Stable Memory](./stable_memory/stable_memory.md)
-   [Timers](./timers/timers.md)
-   [Wasm Binary Optimization](./wasm_binary_optimization.md)
