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OpenZeppelin

38 indexed repositories · View on GitHub

openzeppelin-contracts
OpenZeppelin Contracts is a library for secure smart contract development.

Solidity · 27243 stars
openzeppelin-contracts-upgradeable
Upgradeable variant of OpenZeppelin Contracts, meant for use in upgradeable contracts.

JavaScript · 1173 stars
cairo-contracts
OpenZeppelin Contracts written in Cairo for Starknet, a decentralized ZK Rollup

Rust · 909 stars
openzeppelin-upgrades
Plugins for Hardhat and Foundry to deploy and manage upgradeable contracts on Ethereum.

TypeScript · 658 stars
contracts-wizard
Interactive smart contract generator based on OpenZeppelin Contracts.

TypeScript · 294 stars
openzeppelin-foundry-upgrades
Foundry library for deploying and managing upgradeable contracts

Solidity · 258 stars
openzeppelin-skills
Agent skills for secure smart contract development with OpenZeppelin Contracts libraries

211 stars
openzeppelin-confidential-contracts
Solidity library of encrypted contracts using Zama's FHEVM

TypeScript · 160 stars
openzeppelin-relayer
OpenZeppelin Relayer

Rust · 150 stars
rust-contracts-stylus
A library for secure smart contract development written in Rust

Rust · 146 stars
openzeppelin-monitor
A blockchain monitoring service that watches for specific on-chain activities and triggers notifications based on configurable conditions.

Rust · 140 stars
uniswap-hooks
Solidity library for secure and modular Uniswap hooks.

Solidity · 126 stars
stellar-contracts
OpenZeppelin Contracts written in Rust for Stellar Soroban

Rust · 95 stars
openzeppelin-community-contracts
Solidity library of smart contracts from the OpenZeppelin Community

Solidity · 92 stars
compact-contracts
OpenZeppelin Contracts written in Compact for Midnight

TypeScript · 55 stars
contracts-sui
OpenZeppelin's secure and reusable contracts for the Sui Move ecosystem.

Move · 49 stars
ui-builder
UI Builder is an open-source blockchain development tool that helps developers and non-developers create user-friendly interfaces for sma...

TypeScript · 48 stars
openzeppelin-mcp
Model Context Protocol Servers Repository for OpenZeppelin products

TypeScript · 29 stars
openzeppelin-transpiler

TypeScript · 23 stars
Event-Scanner
A lightweight highly performant event scanner built in rust

Rust · 19 stars
18 more repositories live on View on GitHub

Beginner friendly Everything

Open All

dev: hash to the field with RFC 9380 hash_to_field Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

OpenZeppelin/compact-contracts#923 · Opened Sep 18, 2026
dev: add Fq, the BLS12-381 scalar field conversions Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

OpenZeppelin/compact-contracts#922 · Opened Sep 18, 2026
dev: add a crypto/hash interface with a SHA-256 module Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 72/100

OpenZeppelin/compact-contracts#921 · Opened Sep 18, 2026
dev: group the crypto modules by scheme Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 72/100

OpenZeppelin/compact-contracts#920 · Opened Sep 18, 2026
dev: move the curve runtime tests under crypto/curves Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

OpenZeppelin/compact-contracts#919 · Opened Sep 18, 2026
[Placeholder]: Post-mainnet unplanned issues Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

OpenZeppelin/guardian#482 · Opened Sep 18, 2026
Update external docs for v1.0.0 Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

OpenZeppelin/stellar-contracts#906 · Opened Sep 18, 2026
Update Wizard for v1.0.0 Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

OpenZeppelin/stellar-contracts#905 · Opened Sep 18, 2026
Bump version to v1.0.0 Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

OpenZeppelin/stellar-contracts#904 · Opened Sep 18, 2026
Audit Fixes - v1.0.0 Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenZeppelin/stellar-contracts#903 · Opened Sep 18, 2026
ZK Email Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenZeppelin/stellar-contracts#902 · Opened Sep 18, 2026
Smart Account Policy for social recovery Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenZeppelin/stellar-contracts#901 · Opened Sep 18, 2026
Vesting wallets Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

OpenZeppelin/stellar-contracts#900 · Opened Sep 18, 2026
Testnet confirmation of the v0.9.0 smart-account client flow (External and Delegated signers) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenZeppelin/stellar-contracts#897 · Opened Sep 18, 2026
miden-multisig-client: drop the reconstructed WasmWebClient and use the MidenClient surface Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

OpenZeppelin/guardian#481 · Opened Sep 17, 2026
Redis workers reuse Apalis WorkerId across replicas, preventing orphan recovery during rolling deployments Open

Difficulty 4/5 3-5 days Newbie friendliness 62/100

OpenZeppelin/openzeppelin-relayer#891 · Opened Sep 17, 2026
A flexible, virtualized data table Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

OpenZeppelin/openzeppelin-ui#236 · Opened Sep 17, 2026
GET /pubkey and GetPubkey silently serve the Falcon identity for an unrecognized scheme Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 68/100

OpenZeppelin/guardian#480 · Opened Sep 17, 2026
dev: extract a shared nonce module for the multisig presets Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 68/100

OpenZeppelin/compact-contracts#915 · 1 reaction · Opened Sep 17, 2026
Define and improve changelog entries Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

OpenZeppelin/compact-contracts#912 · Opened Sep 17, 2026
Nightly live test run is failing Open

live-nightly

Difficulty 3/5 1-2 days Newbie friendliness 35/100

OpenZeppelin/compact-contracts#911 · 2 comments · Opened Sep 17, 2026
dev: rebuild the ShieldedMultiSig (V1) preset Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 52/100

OpenZeppelin/compact-contracts#905 · Opened Sep 16, 2026
Remove `TODO`s from code Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

OpenZeppelin/compact-contracts#904 · Opened Sep 16, 2026
Full compile fails with zkir v2 and zkir v3 Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

OpenZeppelin/compact-contracts#900 · Opened Sep 15, 2026
🐞 [Bug]: Vault: a mint can leave total_supply + 10^offset unrepresentable, freezing all conversions Open

OpenZeppelin/stellar-contracts#894 · 1 assignee · Opened Sep 15, 2026
Revisit `SignatureChecker` ECDSA/ERC-1271 ordering once EIP-8151 + EIP-8298 ship Open

area: cryptography contracts needs milestone on hold

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenZeppelin/openzeppelin-contracts#6773 · Opened Sep 15, 2026
dev: type-check specs and simulators in yarn types Open

CI enhancement

Difficulty 4/5 3-5 days Newbie friendliness 68/100

OpenZeppelin/compact-contracts#895 · Opened Sep 15, 2026
dev: make failed compiles fail the build Open

build enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

OpenZeppelin/compact-contracts#894 · Opened Sep 15, 2026
dev: rename the V1 multisig preset after its composition Open

enhancement feat:multisig

Difficulty 3/5 1-2 days Newbie friendliness 64/100

OpenZeppelin/compact-contracts#892 · Opened Sep 15, 2026
dev: rename the V2 multisig preset after its composition Open

enhancement feat:multisig

Difficulty 3/5 1-2 days Newbie friendliness 72/100

OpenZeppelin/compact-contracts#890 · Opened Sep 15, 2026
dev: compose NativeShieldedToken in the V3 multisig preset Open

enhancement feat:multisig

Difficulty 3/5 1-2 days Newbie friendliness 68/100

OpenZeppelin/compact-contracts#889 · Opened Sep 15, 2026
Add `Uint128Heap`, `Uint64Heap` & `Uint32Heap` Open

idea

Difficulty 3/5 1-2 days Newbie friendliness 68/100

OpenZeppelin/openzeppelin-contracts#6767 · Opened Sep 14, 2026
dev: give the deploy tx its own circuit budget Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 52/100

OpenZeppelin/compact-tools#177 · Opened Sep 14, 2026
dev: bound proving and balanceTx in the fragmented deploy Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 65/100

OpenZeppelin/compact-tools#176 · Opened Sep 14, 2026
`weighted_threshold::install` does not validate that weighted addresses are rule signers, allowing an unreachable threshold to pass install-time validation Open

Difficulty 3/5 1-2 days Newbie friendliness 78/100

OpenZeppelin/stellar-contracts#892 · Opened Sep 14, 2026
dev: split the Jubjub key agreement Ecdh out of EcdhMask Open

2-low effort: 2-S enhancement feat:crypto

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenZeppelin/compact-contracts#879 · Opened Sep 14, 2026
🐞 [Bug]: weighted_threshold::install counts weights of addresses that are not rule signers Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

OpenZeppelin/stellar-contracts#891 · Opened Sep 13, 2026
Fix out-of-bounds writes in TimelockControllerEnumerable pagination Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

OpenZeppelin/openzeppelin-community-contracts#281 · Opened Sep 11, 2026
Crosschain bridges accept address parts that are not 20 bytes and zero-pad them on arrival Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

OpenZeppelin/openzeppelin-contracts#6763 · 2 comments · Opened Sep 11, 2026
🏗️ [Core Feature]: Route `mint` through the contract type via a `MintOverrides` trait Open

Difficulty 5/5 Over a week Newbie friendliness 48/100

OpenZeppelin/stellar-contracts#890 · Opened Sep 11, 2026
🐞 [Bug]: total supply moved to persistent storage without a migration path Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

OpenZeppelin/stellar-contracts#889 · Opened Sep 11, 2026
Facilitator /settle has no duplicate-suppression: a POOL_CAPACITY retry can resubmit the same signed auth entries Open

Difficulty 4/5 3-5 days Newbie friendliness 57/100

OpenZeppelin/relayer-plugin-x402-facilitator#52 · Opened Sep 11, 2026
🐞 [Bug]: Reassigned recovery target bypasses MaxBalance per-identity accounting Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

OpenZeppelin/stellar-contracts#886 · Opened Sep 11, 2026
🏗️ [Core Feature]: RWA Confidential support - Implementation Open

Large

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenZeppelin/stellar-contracts#874 · Opened Sep 9, 2026
[Research]: Agentic Payments (x402) Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenZeppelin/cairo-contracts#1758 · Opened Sep 9, 2026
Pending proposals become unverifiable and unexecutable once the node prunes the anchor block (fee-faucet foreign load at the reference block) Open

cla: allowlist

OpenZeppelin/guardian#462 · 1 comment · 1 assignee · Opened Sep 9, 2026
Switch consume-notes proposals to store-independent (unauthenticated) rebuilds once miden-client supports it Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenZeppelin/guardian#461 · Opened Sep 9, 2026
dev: `transferFrom` circuit optimization Open

1-medium enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

OpenZeppelin/compact-contracts#864 · Opened Sep 9, 2026
OpenZeppelin upgrade skill teaches retired derive APIs as current Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

OpenZeppelin/openzeppelin-skills#16 · Opened Sep 9, 2026
EVM status-check poll cadence is not env-configurable Open

Difficulty 3/5 1-2 days Newbie friendliness 78/100

OpenZeppelin/openzeppelin-relayer#883 · Opened Sep 8, 2026

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