How to get history of the native coin total issuance through API - Say DOT

Question

How can one download the history of a native coin total issuance, via an API - Say DOT?

Answer 1

1. open polkadot apps https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Frpc.polkadot.io#/explorer
2. navigate to developer
3. navigate to chain state
4. select balances
5. select total issuance
6. if you want to know the total issuance at a specific block height, pass the block hash to the blockhash to query at field, e.g. I checked the block 10000000 hash 0x6c51377632106ddba379416f2ef5e24450e90cee8c78a70daa262b2ae6f27e93

Finally, you can make these steps into a script.

Polkadot-JS API doc: https://polkadot.js.org/docs/substrate/storage#totalissuance-u128