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Martín Casais · Labs

Experiments, prototypes, and side projects that complement the main portfolio.

The main site stays curated; Labs showcases process, iteration, and technical exploration.

A curated selection of recent entries and experiments.

AutonomiX preview

AutonomiX

Live on Base Sepolia (testnet): agent NFT stack combining ERC-8004 on-chain identity + reputation with x402 (USDC) micropayments to paywall agent HTTP endpoints, plus an Express API for metadata/images and a React + Vite frontend agent gallery.

EVMERC-8004x402
Primary actions: Read Entry, View Repo, and more options.
Primary: Read Entry. Secondary: More options.Opens menu with additional options.Read Entry
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StableGuard preview

StableGuard

Research-grade modular stablecoin protocol focused on gas efficiency and safety guardrails: validated oracle with fallback, collateral accounting, direct + Dutch auction liquidation, arbitrage/repeg coordination, and a timelock for sensitive actions (local-only, no mainnet required).

SolidityFoundrySecurity
Primary actions: Read Entry, View Repo, and more options.
Primary: Read Entry. Secondary: More options.Opens menu with additional options.Read Entry
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StakeFlow preview

StakeFlow

Solana SPL staking dApp built with Anchor + React: stake tokens, accrue rewards, and claim later via PDA-managed config/vaults and program-owned reward mint authority.

SolanaAnchorReact
Primary actions: Read Entry, View Repo, and more options.
Primary: Read Entry. Secondary: More options.Opens menu with additional options.Read Entry
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MessageVault preview

MessageVault

ERC-4337 smart account dApp on Sepolia that emits messages as events (no storage), indexed via The Graph for pagination. Includes AA flows with EntryPoint v0.7, optional paymaster sponsorship, and a React frontend.

EVMERC-4337The Graph
Primary actions: Read Entry, View Repo, and more options.
Primary: Read Entry. Secondary: More options.Opens menu with additional options.Read Entry
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SolSplit preview

SolSplit

Solana multi-send dApp that batches SOL transfers using v0 versioned transactions and Address Lookup Tables (ALT), handling large recipient lists with chunked ALT extension, robust validation, fee estimation fallback, and optional ALT close to reclaim rent.

SolanaALTv0 Tx
Primary actions: Read Entry, View Repo, and more options.
Primary: Read Entry. Secondary: More options.Opens menu with additional options.Read Entry
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CryptoLens preview

CryptoLens

CryptoLens is a Web3 dashboard to explore tokens, manage favorites, and view charts with secure Google + wallet auth (SIWE + fallback signing), Supabase RLS, and a Redis-backed price cache.

Next.jsSupabaseRedis
Primary actions: Read Entry, View Repo, and more options.
Primary: Read Entry. Secondary: More options.Opens menu with additional options.Read Entry
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Contact

Open to collaborations in smart contracts, payments, and security.