Modular subscription engine for Base that handles plans, recurring charges and Chainlink‑automated billing in USDC.
On‑chain mandate and auto‑debit system for Base that lets apps pull funds within transparent per‑charge and aggregate limits
Multi‑vault treasury OS for Base that manages many segmented vaults, roles and policies under a single upgradeable controller.
Proof‑aware payment rail on Base where transfers are gated by EAS attestations and ZK proofs for KYC, access and milestones.
Revenue splitting protocol on Base that routes incoming USDC into configurable pools and buckets for teams, investors, partners and treasuries.
Payroll and compensation protocol for Base that runs team/DAO payroll cycles with bucketed allocations and full on‑chain traceability.
Standardized “Pay with Base” tap/endpoint system for one‑click USDC payments, limits and cooldowns, reusable across dApps and mini‑apps.
Upgradeable escrow and dispute‑resolution layer for Base that secures high‑value payments with flexible rules, roles and Base Pay integration.
LedgerFlow: Web3 Payment Gateway, Web3 version Stripe
Sample UUPS Proxy - Upgrade-able smart contract
Lesson 13: Foundry Upgrades
BLX ecosystem. Contracts: token, bank, UUPS improved bank (vesting + funds reservation for users). For more information, see README.md and the contracts themselves.
A smart contract blockchain supporting upgradable contracts via proxy patterns (UUPS), enabling bug fixes and new features post-deployment without user disruption.
🛡️ Smart Contract Security & NFT Platform - Ethernaut challenge solutions + Upgradeable NFT system with ERC20 staking and god mode functionality. Deployable via Hardhat scripts or Ignition.
Production-grade DAO budget execution system on Base L2. Define role-based spending policies, approve payouts with full context, and auto-execute from treasury smart wallets — integrated with Base Pay, upgradeable, fully indexed
Proxy - Upgradeable Contracts for Solidity.
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