Unifold is a developer-first API and SDK that lets any app accept on-chain deposits across any blockchain and token in under 10 lines of code. It handles the full deposit flow - cross-chain routing, gas abstraction, compliance checks, and settlement - so users never have to think about chain IDs, bridging, or which version of USDC to use. Founded in 2026 by a team that previously built wallet infrastructure onboarding 30M+ users to apps like Phantom and Polymarket, Unifold is a Y Combinator Winter 2026 company based in New York City.
Vertalo is an Austin-based fintech that operates an SEC-registered digital transfer agent and tokenization platform connecting the digital asset ecosystem. Since 2018 it has helped issuers, fund managers, broker-dealers and custodians move private securities on-chain - handling digital cap tables, investor onboarding, compliance and settlement across multiple blockchains. More recently it has pivoted toward 'agentic' infrastructure, exposing its regulated transfer-agency operations through APIs and an MCP server so AI agents can issue, record and transfer securities.
P00LS is a community-first Web3 protocol that lets creators and brands launch their own cryptocurrency token, distribute it to fans, and reward on-chain engagement across platforms. Founded in 2021 by Hugo Renaudin, the company turns audiences into token-holding communities, giving creators data and tools to map, reward, and grow their most active supporters. Backers include Acrew Capital, Maveron, and Kima Ventures, and early adopters range from footballer Ronaldinho to TIME and Ed Banger Records.
Sphere Labs is a Boston- and Delaware-based fintech building the payments infrastructure for the stablecoin economy. Founded in 2022 by Arnold Lee and Luigi Charles, the company runs two products: SpherePay, a B2B cross-border payments API that moves money using a 'stablecoin sandwich' - converting local currency into a stablecoin, routing it across borders, then settling into the destination currency in 15-30 minutes; and SphereNet, a 'sovereign-grade' settlement ledger built on the Solana Virtual Machine for regulated financial institutions. Often described as a 'Stripe for crypto,' Sphere pairs developer-friendly APIs and SDKs with embedded compliance to help fintechs, institutions and businesses in emerging markets move value fast, transparently and legally. It raised a $5M strategic round in December 2024 led by Coinbase Ventures and Kraken Ventures.
Halliday is a San Francisco blockchain infrastructure company building the Agentic Workflow Protocol, a system that lets developers create onchain financial applications without writing smart contracts. Its flagship product, Halliday Payments, gives developers a single interface for fiat onramps, cross-chain bridging, swaps, and offramps. Backed by a16z crypto across both its seed and Series A rounds, Halliday has raised $26 million total and works with teams including DeFi Kingdoms, Avalanche, ApeCoin, Story Protocol, and Metis.