Polkadotjs app is an app allowing to connect to a substrate blockchain. In duniter.org doc (Duniter | Use polkadotjs app), I’m using the js.org instance to demonstrate, but here is a wiki list of other instances:
Polkadotjs app is an app allowing to connect to a substrate blockchain. In duniter.org doc (Duniter | Use polkadotjs app), I’m using the js.org instance to demonstrate, but here is a wiki list of other instances: