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Achievements

Achievement: Pair Extraordinairex2Achievement: Pull Sharkx3Achievement: YOLOAchievement: Quickdraw

Organizations

@Uptodate-Developers @IntersectMBO @Safrochain-Org @VeriMeZK @Zunia-Lab

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danbaruka/README.md
Dan Baruka. Blockchain Protocol Engineer, CTO and co-founder of Safrochain

safrochain-1 live block height Active validators on Safrochain Open to senior protocol engineering roles

baruka.me  ·  CV  ·  LinkedIn  ·  X  ·  Telegram  ·  Writing  ·  Email

I build and run Layer 1 blockchains.

As CTO and co-founder of Safrochain, I took a Cosmos SDK Layer 1 from the Juno codebase to a live mainnet (safrochain-1, June 2026), and I still run it every day: upgrades, validators, IBC, the indexer, the explorer and the people who build on it. The network counts 100,000+ wallets and millions of transactions.

I also founded Zunia Lab, a self-custody Cosmos wallet for 262 chains, and I'm a Developer Advocate at Intersect for Cardano. Seven years building software, five in blockchain. Based in Nairobi, working remotely (UTC+3).

Selected work

Safrochain, a live Cosmos SDK Layer 1

Safrochain  LAYER 1 · 2025

Community-first Cosmos SDK Layer 1, live on mainnet since June 2026. I architected it and still run it.

Go · Cosmos SDK · CometBFT · IBC · CosmWasm
safrochain.com · code · explorer

 Zunia, a self-custody Cosmos wallet

Zunia Wallet  WALLET · 2025

Self-custody, IBC-native Cosmos wallet: browser extension and mobile on the same keys, 262 chains.

TypeScript · Rust · Flutter · CosmJS
zunialab.com · code · Chrome Web Store
SMultisig, threshold multisig for teams

SMultisig  TOOLING · 2025

Non-custodial K-of-N threshold multisig for teams, with canonical SignDoc verification before every broadcast.

Cosmos SDK multisig · Amino · ADR-036 · Next.js
smultisig.safrochain.com

 Safrimba, decentralized savings circles

Safrimba  SMART CONTRACTS · 2025

Decentralized savings circles: Likelemba, the rotating tontine, on-chain with SAF or USDC payouts.

CosmWasm · Rust
safrimba.safrochain.com · code
WinSaf, a provably fair lottery in Telegram

WinSaf  SMART CONTRACTS · 2025

Provably fair on-chain lottery inside Telegram: beacon-backed draws, MPC 2-of-3 wallets, every round verifiable.

CosmWasm · Rust · Telegram
winsaf.xyz

 COTS, Cardano Offline Transaction Simulator

COTS  CARDANO · 2025

Cardano Offline Transaction Simulator: test transactions and Plutus scripts without a node.

Haskell · Plutus · SQLite
code

Also: SafroExplorer · Safrochain Indexer · SAFHANDLE · MoMoTrack Oracle · IBC Map · all projects

Stack

ChainCosmos SDK v0.50 · CometBFT · IBC (ICS-20, relayers) · CosmWasm · Token Factory · genesis and on-chain upgrades · validator operations
LanguagesGo · Rust · TypeScript · Dart · Haskell (Plutus) · Python
WalletsCosmJS · InterchainJS · Keplr and Leap · WalletConnect v2 · Ledger and Keystone · Amino multisig · ADR-036
InfraCallisto · PostgreSQL · NestJS · Docker · GitHub Actions · goreleaser · Kubernetes · AWS

Latest writing

All articles on baruka.me

Community

  • Developer Advocate at Intersect (Cardano), Cohort 2
  • Maintainer of IntersectMBO/developer-experience, top contributor
  • Mentor and speaker, Cardano Africa Tech Summit 2026 · Host, Cardano Summit community event, Goma 2024
  • Co-founder of Dev Community, a developer platform with 2,000+ members

Open to senior protocol engineering roles and consulting in the Cosmos ecosystem · get in touch

Pinned Loading

  1. safrochain/keplr-chain-registry safrochain/keplr-chain-registry Public

    Forked from chainapsis/keplr-chain-registry

    Protocol for Integrating Non-Native Chains to Keplr

    TypeScript 1

  2. Safrochain-Org/chain-registry Safrochain-Org/chain-registry Public

    Forked from cosmos/chain-registry

    Python 1

  3. cardano-token-registry cardano-token-registry Public

    Forked from cardano-foundation/cardano-token-registry

    Nix

  4. COTS COTS Public

    Cardano Offline Transaction Simulator (COTS) is a CLI tool for developers to simulate Cardano transactions and Plutus smart contracts offline, no node needed.

    Haskell 2