Cryptographic identity infrastructure and Cardano tooling, mostly in Haskell.
π lambdasistemi.net Β· π« paolo.veronelli@gmail.com
I work mainly at:
- Lambdasistemi β cryptographic infrastructure and tooling for Cardano
- Cardano Foundation β open-source Cardano node tooling and wallet
| Repository | Description | Logbook |
|---|---|---|
| haskell-mts | Merkle Tree Store β CSMT + MPF library with Lean 4 proofs and WASM targets | Jun 2026 |
| cardano-mpfs-offchain | Merkle Patricia Forestry server β proof-carrying API, RocksDB persistence, devnet | Jul 2026 |
| cardano-utxo-csmt | CSMT over the Cardano UTxO set β HTTP service for inclusion proofs | Jun 2026 |
| cardano-stake-csmt | CSMT over per-epoch stake distribution β verifiable stake-weighted voting proofs | Jun 2026 |
| cardano-ledger-rdf | Cardano ledger to RDF β transaction graph emitter and SPARQL tooling | Jul 2026 |
| cardano-knowledge-maps | Interactive knowledge graph of Cardano governance (CIP-1694 / Conway era) | Jun 2026 |
| graph-browser | RDF graph browser SPA β PureScript + Cytoscape.js, guided tours | Apr 2026 |
| cardano-ledger-inspector | Cardano ledger operations compiled to WASI β browser inspector and CLI | Jul 2026 |
| cardano-addresses-browser | Browser-based Cardano address toolkit β PureScript replacement for cardano-addresses CLI | |
| amaru-treasury-tx | Build and sign Amaru treasury transactions β disburse, reorganize, withdraw, swap | Oct 2026 |
| rocksdb-kv-transactions | RocksDB backend for composable key-value transactions | Apr 2026 |
| cardano-node-clients | Typed Cardano node protocol clients β Haskell library | Oct 2026 |
| cardano-keri | KERI AID on Cardano β self-certifying identifiers with pre-rotation for on-chain credential anchoring | Oct 2026 |
| chain-follower | Chain-sync follower with rollback support | Apr 2026 |
| cardano-vcr | Record and replay Cardano node interactions for testing | Apr 2026 |
| cardano-mithril-client | Haskell Mithril client β certified snapshot downloads | Apr 2026 |
| harvest | ZK voucher system for Cardano using Groth16 proofs | |
| zk-lab | Lab for intention-driven zero-knowledge DSL targeting Plutus | |
| cardano-bbs | BBS+ anonymous credentials for Cardano β Haskell off-chain + Aiken on-chain | |
| eu-digital-product-passport | Digital product passport on Cardano | Apr 2026 |
| cardano-for-regulators | Cardano explainers and tools for regulatory contexts | Apr 2026 |
| singular | A permissionless registry on Cardano for unique identities and independent application state | Oct 2026 |
| tasty-bdd | Typed Given/When/Then scenarios and providers for Haskell Tasty | Oct 2026 |
| cardano-tx-tools | Cardano transaction tooling: builder, structural diff, blueprint decoding | |
| cardano-swiss-knife | Browser-first Cardano Swiss Knife for address tools, transaction inspection and more | |
| cardano-lib-conformance | Runnable evidence for the cardano-dev-skills fixpoint skill | |
| plutus-browser | Browser UI for the wasm32 Plutus evaluator β UPLC playground and snippets | |
| factory-tui | Browse the agent factory as a tree of seats over a flat terminal landscape | Aug 2026 |
| lockness | Web2 scaling with explicit trust management: choose anchors, buy data availability, and verify before acting | |
| amaru-bootstrap | Bootstrap data pipeline for Amaru on custom Cardano testnets β stock IOG tools, no consensus fork | |
| lambdasistemi.net | Source of lambdasistemi.net |
| Repository | Description | Logbook |
|---|---|---|
| moog | Antithesis simulation testing orchestrator for Cardano node | Jun 2026 |
| cardano-node-antithesis | Cardano testnet harness and assets for the Antithesis testing platform | Oct 2026 |
| cardano-wallet | HTTP server and CLI for managing UTxOs and HD wallets on Cardano | Oct 2026 |
| cardano-mpfs-onchain | Aiken on-chain validators for Merkle Patricia Forestry on Cardano | Sep 2026 |
| cardano-balance-transaction | Balance transaction library | Jun 2026 |
| cardano-coin-selection | Coin-selection library extracted from cardano-wallet β also runs in-browser via WebAssembly | Apr 2026 |
| cardano-ledger-read | Read Cardano block data, parametrized by era | Sep 2026 |
| Repository | Description | Logbook |
|---|---|---|
| kelgroups | Polymorphic Haskell library for KEL-based group management with KERI hash-chained events | |
| reactivegas | Purchasing-group accounting app, being rebuilt on the kelgroups KERI substrate | Oct 2026 |




