Nexus by Biconomy: ERC-7579 Modular Smart Account for Enhanced Account Abstraction
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Updated
Feb 27, 2026 - Solidity
Nexus by Biconomy: ERC-7579 Modular Smart Account for Enhanced Account Abstraction
Anonymous Multi-Sig Smart Account Module
ERC-4337 smart contract wallet focused on UX and security: passkeys, account abstraction, modular architecture, and on-chain social recovery.
AgentPay is a high-frequency settlement layer on Monad for AI agents. Using x402 and ERC-7579, it slashes costs by 96%—from $50 subs to $2 micropayments. It anchors actions in AP2 Intent Mandates for synchronous commerce with 0.8s finality, transforming SaaS liabilities into outcome-based utilities.
ERC-4337 utilities for sending user operations with ethers.js
ERC-7579 hook module: a fail-closed on-chain pre-execution gate that admits a smart-account call only if an independent, recomputable invinoveritas /review verdict binds (by on-chain recompute) to that exact action.
zkML-powered liquidation protection for Aave V3 using Halo2, EZKL, and ERC-7579 smart accounts.
Zero custody AI firewall for autonomous trading agents. ERC-7579 module with ERC-7715 session keys (SmartSessions). Agents get scoped on-chain ETH budgets and session keys, never private keys. Every trade intent is forensically audited by a Chainlink CRE oracle running dual-model AI consensus (GPT-4o + Llama-3) before capital moves.
Botanary — off-chain services + public API (NestJS). Build→sign→relay; holds no key. Policy/UserOp builder withheld.
Botanary — the web app (Next.js 15 / React 19). Owner signs client-side; runs offline against MSW mocks.
Wallet safety & scheduled transfers on Safe (ERC-7579). Built at ETHGlobal Brussels 2024.
Subscription Permissions Standard for Monad — draft MIP and Foundry reference implementation
Botanary — on-chain authority core (ERC-7579 / Kernel v3.3 / Smart Sessions). Public interfaces, ABIs, and deployed testnet addresses; implementations withheld.
Biconomy — Biconomy's open-source ERC-4337 TypeScript Bundler. Implements eth_sendUserOperation, eth_estimateUserOperationGas, eth_getUserOperationByHash, eth_getUserOperationReceipt, and eth_supportedEntryPoints across both EntryPoint v0.6.0 and v0.7.0. Hosted bundler endpoints are issued per project from the Biconomy Dashboard.
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