What to build in Web3, every morning
2026-06-22 11:26 UTC · last 72h · 8 build ideas · 8 launches · 9 sources
Each idea combines a fresh launch with a primitive from the library — the DNA shows where it comes from.
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1
MEDIUM
DeFi
Stock-Backed Lending with Programmable Hooks
Build a lending protocol where users deposit tokenized U.S. stocks via Stock+ as collateral, with custom smart contract hooks that auto-liquidate or rebalance based on real-time stock price oracles.
Why now: Bitget's launch tokenizes U.S. stocks on-chain, creating a novel RWA collateral class, while programmable hooks enable the dynamic risk management needed for volatile equities.
Primitives DeFiDeFi
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2
AMBITIOUS
PayFi
AI Agent That Streams Micropayments for Real-Time Yield
Create an autonomous agent that continuously redirects streaming payments from a user's wallet into the highest-yielding DeFi pool, optimized per second, and rebalances via agent-wallet logic.
Why now: XRPPower's AI app proves demand for automated high-yield earning, and streaming payments unlock finer-grained capital efficiency than lump-sum deposits.
Primitives PayFiAgents
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3
MEDIUM
PayFi
Stablecoin-Powered B2B Invoice Financing for Gen-Z Merchants
Build a receivable financing network where merchants get instant stablecoin advances on invoices, using on-chain credit scoring and escrow smart contracts for trustless settlement.
Why now: RedotPay slashes merchant fees 70% but doesn't address cash flow; pairing stablecoins with PayFi networks makes invoice financing instant and borderless.
Primitives PayFiPayFi
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4
QUICK WIN
PayFi
Retail-Facing Bitcoin Payments with Circuit Breaker Safety
Build a Point-of-Sale system for merchants accepting Bitcoin micropayments, with built-in circuit breakers that pause transactions if price volatility exceeds a threshold.
Why now: GoMining's Square competitor targets Bitcoin payments but lacks safety nets; circuit breakers protect merchants from BTC flash crashes, making the system viable at scale.
Primitives SecurityPayFi
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5
AMBITIOUS
RWA
Real-World Asset Backed Stablecoin with Confidential Balances
Launch a regulated stablecoin on Solana that uses Token Extensions for confidential balances, letting institutional holders prove their holdings privately to regulators without exposing full data.
Why now: Bank of England's $50B cap opens a compliant corridor for stablecoins, and confidential balances address privacy needs of institutions without sacrificing auditability.
Primitives PrivacyPayFi
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6
MEDIUM
Consumer
Creator-Attested NFT Cards for Physical Retail with Programmable Royalties
Create a platform where physical trading cards (like Pudgy Penguins) have verifiable on-chain creator attestations and automatically enforce royalty splits for every resale or digital redemption.
Why now: Pudgy Penguins entering Target brings mass-market retail distribution; programmable royalties and attestations protect creators in the physical-to-digital bridge.
Primitives MediaMedia
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7
AMBITIOUS
Agents
AI Agent Wallet with Know Your Agent (KYA) Credentials for DeFi Lending
Build a DeFi lending protocol where AI agents hold agent-wallets with on-chain KYA credentials, enabling them to borrow and lend autonomously with verifiable risk scores linked to human operators.
Why now: XRPPower's AI app shows automated earning is mainstream; KYA bridges the trust gap for agents interacting with permissioned lending pools.
Primitives AgentsAgents
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8
QUICK WIN
Governance
Prediction Market for Stablecoin Regulatory Caps
Launch a prediction market where traders bet on future regulatory stablecoin caps (e.g., $50B to $75B) across jurisdictions, with oracles feeding official policy announcements.
Why now: Bank of England's cap shift creates regulatory uncertainty that prediction markets can price, giving stablecoin issuers and traders a hedge against policy risk.
Primitives GovernanceInfra
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The pairing of Bitget’s Stock+ (RWA equities in crypto wallets) with RedotPay’s 70% merchant fee cut creates a first-mover window for a DeFi app that lets users instantly swap fractional U.S. stock positions into stablecoin liquidity pools for real-time merchant settlements, bypassing both card networks and ACH delays.
Full data: https://gmbuild.net/briefing.json. Primitives: https://gmbuild.net/primitives.html. Feedback or a source to add? [email protected]. George Donnelly offers Web3 development & security consulting.