For example, DOT has 10 but can I check it in Polkadot JS Apps? I want to apply it to all parachain assets.

2 Answers 2


The system_properties RPC call returns the on-chain properties for the connected chain.

Additionally, if using the JS API, it is also extracted and available on api.registry.chainDecimals, api.registry.chainSS58 and api.registry.chainTokens. (For each parachain, you need to get it from the chain itself)


for native asset like DOT in polkadot is defined in chain spec and you can check here https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Fpolkadot.api.onfinality.io%2Fpublic-ws#/settings/metadata

for multiple fungible asset chain like statemine you may check it from storage in asset module

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