# FAQ

The list will be updated/expanded as questions come up, dealing with some common issues that users find.

# I have a crypto has not been initialized error

When using the keyring, make sure that you are initializing the keyring before attempting to use it. Generally you would hook this into the async API creation (which transparently caters for the WASM load).

# My React Native build runs out of memory

When using the keyring packages with RN, due to a lack of support, an asm.js fallback is provided. This does however all some memory load to the application build process (and is by no means fast), ensure that you adjust your build flags to include NODE_OPTIONS=--max_old_space_size=8192, for instance doing NODE_OPTIONS=--max_old_space_size=8192 yarn run ios