Rythme Nagrani

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Protocol engineer · Developer relations

Rythme Nagrani

Open to DevRel and protocol engineering roles · Singapore or remote

(01) selected work

Protocols I've shipped

Real money, real audits, real users. Drag through them; full write-ups on Web3Spell Labs.

Read the case study

01 · Base · Founder & lead engineer · 2025 – now

ChainPot

Rotating savings circles (ROSCAs), the chit funds billions of people already use, run by smart contracts.

Case study Live Code

Read the case study

02 · Solana · Co-founder & engineer · 2025 – 2026

Civitas

Private payroll on Solana. Nobody outside the company can see who was paid or how much.

Shipped on Solana devnet
Colosseum Frontier Hackathon

Case study Live Code

Read the case study

03 · Somnia · Engineer · 2026

Divergence Router

A trading router that protects traders from fast-moving order books.

11 Solidity contracts, atomic settlement
Live app

Case study Live Code

04 · Rootstock

dev.rootstock.io · github.com/rsksmart

Docs and tools Rootstock ships.

Builder Rootcamp · 2026

Rootstock developer tooling

Built during the Rootstock Builder Rootcamp. Two guides I wrote are on Rootstock's official developer portal, and my lending starter kit is published in Rootstock's GitHub organisation.

01 / 04

(02) latest builds

Fresh from the forge

Account abstraction, agent payments, staking and 3D web, from 2025 and 2026.

Rootstock · 2026

Rootstock Paymaster Kit

ERC-4337 v0.7 paymaster so users pay gas in ERC-20 tokens instead of RBTC, with an off-chain signing service.

Live Code

Rootstock · 2026

Liveness Vault

Staking where members send heartbeats and keepers slash anyone who goes quiet. Foundry invariant tests, full coverage.

Live Code

BOT Chain · 2026

Swarm Broker

AI agents paying each other for services over x402, settled with EIP-2612 permits.

Code

Initia · 2026

Labelo

Marketplace that pays people onchain for labeling AI training data. Built for DoraHacks INITIATE.

Live Code

WebGL · 2026

SkyScreen

Cinematic 3D site for an airborne display company: custom GLSL sky shaders and an exploded drone rig.

Live Code

Avalanche · 2025

Petoverse

AI companions in 3D that each own a smart wallet and act on their own.

Live Code

labs.web3spell.fun

All 15+ builds

Open the full portfolio

01 / 07

Earlier: InstaCredit (ETHIndia '23), PokerLiars, an onchain bluffing game, Cards Against Humanity Blink.

(03) developer relations

Developers, brought onchain

Bootcamps, hackathons and build stations across India, run through Web3Spell with ecosystem teams from Solana, Arbitrum, Ethereum and more.

developer events run: 75+
developers reached: 5,000+
projects shipped at Core Nexus: 150+
global conference partnerships: 2

Core Nexus Hackathon

36-hour hackathon in Bhopal: 250+ builders, 150+ project submissions.

Read the case study

Arbitrum Ignite

12-day Web3 bootcamp for 250+ developers, run with the Arbitrum ecosystem.

Hackathon build stations

Solana, Helius, Story Protocol and Mantra stations. One Bhopal station sent 40+ projects to a global hackathon; several went on to win grants.

SpellCast podcast

A technical podcast with protocol founders and DevRel leads, including MagicBlock's DevRel lead, on stablecoin payments, ecosystem scaling and onchain privacy.

Episodes YouTube

Recognition

Winner, TOKEN2049 Origins Hackathon, Singapore
Official community partner, TOKEN2049 Singapore 2025
Official community partner, Consensus Hong Kong 2026
Thrive Power List, Top 500
Superteam grantee

Speaking & writing

Paris Blockchain Week 2025 · mentor
Arbitrum Ignite · speaker
Core Nexus · mentor
GirlScript Summer of Code · mentor
Winter of Blockchain · mentor
Web3camp · speaker

(04) experience

Where I've worked

2024 – now
Web3Spell Labs
Co-founder · Engineering & Developer Relations
- Lead engineering for a studio shipping protocols on Solana, Base, Rootstock and Somnia, from contract design to testnet launch.
- Organised 75+ developer events reaching 5,000+ developers, including Arbitrum Ignite and Core Nexus.
- Host SpellCast, a podcast with protocol founders and DevRel leads.
2025 – now
ChainPot
Founder & lead engineer
- Seven-contract savings-circle protocol on Base, funded by a $17K Compound grant and reviewed by Certora.
2025 – 2026
Civitas
Co-founder & engineer
- Private payroll on Solana with Groth16 proofs, Nillion and MagicBlock. Built for Colosseum Frontier.
2023 – 2025
SNS · Oraichain · Push Protocol
Freelance developer advocate
- Tutorials, workshops and onboarding as ambassador and developer advocate.

(04) skills

Toolkit

Smart contracts: SolidityRustAnchorFoundryHardhatChainlink VRFCompound IIIERC-4337ERC-6909EIP-712 / 2612
Security & testing: Foundry fuzz & invariant testsCertora review remediationKeeper & slashing design
ZK & privacy: CircomGroth16snarkjsNillion MPC / TEEMagicBlock ephemeral rollups
Payments & agents: x402PaymastersAccount abstractionSession keysAgent-to-agent payments
Full stack: TypeScriptNext.jsReactNode.jsTailwind CSSViemwagmiRainbowKitPostgreSQLMongoDBDockerVercel
Creative web: Three.jsReact Three FiberGLSL shadersCanvas & WebGLMotion design
Chains: EthereumBaseArbitrumSolanaRootstockStarknetInitiaSomnia
Developer relations: Docs as codeTutorials & guidesSample appsSDK onboardingWorkshops & bootcampsHackathon design & judgingPodcasting

Computer Science Engineering

Samrat Ashok Technological Institute (SATI), Vidisha

Solana Development (Rust, Anchor), Narra8ive · Blockchain Development, Alchemy University

(05) contact

Hiring? Let's talk.

I'm looking for a developer relations or protocol engineering role, in Singapore or remote. Collaborations and speaking invites are welcome too.

Book a call Email me

(06) book a call

got thirty minutes?

Pick a slot and we'll talk protocols, developer relations, or whatever you're building. 30 min, on video.

Book a 30 min call or send a message

Rythme Nagrani

build.

teach.

win.

see what i've cast.