Software

Adder

Cardano chain event processing

Stream Cardano chain activity as configurable events for indexers, wallet and asset tracking, governance monitoring, and data pipelines.

How it works

Turn chain activity into filtered events

Adder connects to a local or remote Cardano node and emits block, rollback, transaction, and governance events. Use it as a command-line service, embed its Go library, or send filtered events into a custom application pipeline. Filters by event type, address, asset, or policy help keep downstream consumers focused; additional inputs can follow a node's mempool or UTxO RPC streams. Teams can use Adder to build custom indexers, track wallet activity, or trigger governance and transaction workflows.