Swell Network:
Liquid Staking & Restaking Protocol
A multi-year technical partnership across Ethereum liquid staking, restaking infrastructure, withdrawal systems, and a consumer-facing wallet app — building the full Swell stack from protocol to product.
Stack
Solidity, React Native, Node.js
Role
Smart Contract & Product Design Partner
Scope
Contracts, Backend, Design, Architecture
The Mission
“To build Ethereum's leading liquid staking and restaking protocol — and to vertically integrate that infrastructure into a full-stack ecosystem via Swellchain, yield vaults, and consumer-facing financial products.”
Core Objectives
- Secure, non-custodial liquid staking and restaking protocol
- Validator management, deposit automation, and repricing logic
- Withdrawal infrastructure for validator exit queue management
- Consumer wallet (Swell Pay) bridging DeFi with everyday spending
The Challenge
Liquid staking at scale demands contract-level precision — any vulnerability in deposit handling, repricing, or validator exit logic means direct loss of user funds. Swell's withdrawal system had to account for queue management, claimable states, and edge cases like mass slashing events (bunker mode), all without surfacing complexity to end users.
As Swell's product vision expanded toward a consumer wallet, the challenge shifted to UX: hiding multi-chain DeFi mechanics (passkey onboarding, yield vaults, fiat on/off-ramps, virtual card issuance) behind an interface simple enough for non-crypto users. Labrys needed to maintain continuity of knowledge across four major phases spanning several years.
What We Built
Liquid Staking Protocol
Smart contracts for Swell's staking infrastructure — deposit automation, beacon chain repricing bot, front-running protection, and NFT-based position migration from v1 to v2.
Withdrawal Infrastructure
Validator exit queue management with claimable state tracking, bunker mode handling for mass-slashing scenarios, and seamless user-facing unstaking flows.
Vault Products
Initial smart contract development for Swell's vault layer, enabling users to deposit assets and earn yield as the protocol's first product phase.
Swell Pay — Consumer Wallet
Product design, technical specifications, and architecture for a consumer wallet app featuring Send, Spend, Save, and Swap — with passkey onboarding, virtual card issuance, and fiat on/off-ramps via Bridge and Stripe.
Technical Architecture
Four delivery phases across the Swell stack: EVM smart contracts (staking, withdrawals, vaults) coordinated with beacon chain automation bots; a React Native consumer wallet app integrating Turnkey (passkeys), Bridge (fiat rails), Stripe (card issuance), and Swell's own yield vault infrastructure. Collaboration ran through shared Notion, Slack, and direct Swell team syncs.
Real Impact.
A multi-year partnership spanning four delivery phases — from liquid staking smart contracts and withdrawal infrastructure through vault products to the Swell Pay consumer wallet — building the full Swell stack from protocol to product.
- Delivery Phases
- 4
- Partnership
- Multi-Year
- Consumer Wallet
- Swell Pay
- L2 Integration
- Swellchain
