Concepts
Core concepts behind Avail Nexus: chain abstraction, intents, providers, and cross-chain operations.
Spend balances from many chains with one review and one intent signature.
A quoted request describing source inputs, destination output, fees, and the provider that fills it.
Who delivers funds on the destination chain, and how they are repaid.
From quote to fulfillment: approvals, one signature, source deposits, and status updates.
Map bridging, funding contract calls, and destination execution to SDK methods.
Swap any supported token on one or more chains into a token on another, by exact input or exact output.
Let the quote choose source balances, or restrict which chains and tokens it may use.
Which approvals and permits a quote needs, and how the SDK sizes them.
How is this guide?