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matter-labs

32 indexed repositories · View on GitHub

awesome-zero-knowledge-proofs
A curated list of awesome things related to learning Zero-Knowledge Proofs (ZKP).

5843 stars
zksync
zkSync: trustless scaling and privacy engine for Ethereum

Rust · 4923 stars
zksync-era
zkSync era

Rust · 3234 stars
era-contracts
Smart Contract Submodule For zkSync Era

Solidity · 538 stars
foundry-zksync
Fork of Foundry tailored for zkSync environment

Rust · 386 stars
anvil-zksync
In-memory node that can be used for integration testing and debugging.

Rust · 322 stars
hardhat-zksync

TypeScript · 285 stars
zksync-cli
CLI tool that simplifies ZKsync development

TypeScript · 168 stars
block-explorer
zkSync Era Block Explorer

TypeScript · 139 stars
zksync-airbender
RISC-V prover system for ZKsync OS

Rust · 128 stars
era-bellman-cuda
A library implementing GPU-accelerated cryptographic functionality for the zkSync prover

Cuda · 78 stars
era-compiler-solidity
Solidity compiler for ZKsync.

Rust · 70 stars
zksync-withdrawal-finalizer
zkSync 2.0 Withdrawal Finalizer

Rust · 61 stars
zksync-crypto
Cryptography libraries for ZKsync

Rust · 47 stars
zksync-os
Generalized RISC-V based state transition function for the ZKsync protocol

Rust · 40 stars
era-compiler-llvm
ZKsync fork of the LLVM framework (EraVM).

LLVM · 36 stars
zksync-protocol
ZKsync protocol libraries

Rust · 22 stars
era-boojum-validator-cli

Rust · 21 stars
zksync-os-server
New server implementation for zksync-os

Rust · 17 stars
alloy-zksync
ZKsync support for alloy

Rust · 16 stars
12 more repositories live on View on GitHub

Beginner friendly Everything

Open All

Real SNARK proofs rejected on L1 with `invalid quotient evaluation` (server v0.23.0 + airbender main) — which versions are matched? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

matter-labs/zksync-os-server#1557 · Opened Sep 18, 2026
Withdrawals fail on protocol v33 chains: L2BaseToken.withdraw was removed Open

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

matter-labs/zksync-js#118 · Opened Aug 31, 2026
[Hardening] Property tests for lazy-init borrow chain; transcript reduced-rounds documentation; circuit-def cleanup Open

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

matter-labs/zksync-airbender#412 · Opened Aug 22, 2026
RUSTSEC-2026-0258: h2 unbounded empty DATA frames Open

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

matter-labs/zksync-os-server#1519 · Opened Aug 18, 2026
RUSTSEC-2026-0253: Potential use-after-free due to lack of panic safety in `LruCache::pop()` Open

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

matter-labs/zksync-os-server#1512 · Opened Aug 12, 2026
RUSTSEC-2025-0167: `Bitmap::try_from(&[u8])` can create invalid values Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matter-labs/zksync-os-server#1508 · Opened Aug 11, 2026
RUSTSEC-2026-0249: smartstring is unmaintained Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

matter-labs/zksync-os-server#1507 · Opened Aug 11, 2026
RUSTSEC-2026-0247: bitmaps is unmaintained Open

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

matter-labs/zksync-os-server#1506 · Opened Aug 11, 2026
zkstack ecosystem init chain registration not idempotent Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

matter-labs/zksync-era#4927 · Opened Aug 5, 2026
RUSTSEC-2026-0235: Insufficient archive validation can cause out-of-bounds reads in archives containing Rc/Arc Open

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

matter-labs/zksync-os-server#1497 · Opened Aug 4, 2026
RUSTSEC-2026-0220: Uint shift operations: incorrect overflow flags and truncated shift amounts Open

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

matter-labs/zksync-os-interface#75 · Opened Jul 31, 2026
RUSTSEC-2026-0220: Uint shift operations: incorrect overflow flags and truncated shift amounts Open

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

matter-labs/zksync-os-server#1489 · Opened Jul 31, 2026
Instrument EN replay stalls to distinguish stream silence from pipeline backpressure Open

Hardening Operability

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

matter-labs/zksync-os-server#1488 · 1 comment · Opened Jul 24, 2026
Off-chain data updater never matches bridged ETH stored with the 0x...01 L1 sentinel address Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 74/100

matter-labs/block-explorer#653 · Opened Jul 23, 2026
Base token is never added to the tokens DB on ZKsync OS chains Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

matter-labs/block-explorer#652 · 1 comment · Opened Jul 23, 2026
RUSTSEC-2026-0204: Invalid pointer dereference in `fmt::Pointer` impl for `Atomic` and `Shared` when the underlying pointer is invalid Open

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

matter-labs/zksync-os-server#1437 · Opened Jul 7, 2026
eth_feeHistory: pass empty rewardPercentiles instead of null (strict L1 RPCs reject null) Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

matter-labs/zksync-era#4885 · 1 comment · Opened Jul 2, 2026
RUSTSEC-2026-0194: Quadratic run time when checking a start tag for duplicate attribute names Open

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

matter-labs/zksync-os-server#1429 · Opened Jul 2, 2026
RUSTSEC-2026-0195: Unbounded namespace-declaration allocation in `NsReader` enables memory-exhaustion denial of service Open

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

matter-labs/zksync-os-server#1430 · Opened Jul 2, 2026
RUSTSEC-2026-0194: Quadratic run time when checking a start tag for duplicate attribute names Open

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

matter-labs/zksync-os-server#1427 · Opened Jul 2, 2026
RUSTSEC-2026-0195: Unbounded namespace-declaration allocation in `NsReader` enables memory-exhaustion denial of service Open

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

matter-labs/zksync-os-server#1428 · Opened Jul 2, 2026
RUSTSEC-2026-0190: Unsoundness in `Error::downcast_mut()` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matter-labs/zksync-os-server#1423 · Opened Jun 30, 2026
RUSTSEC-2026-0186: Unchecked pointer offset in crate `memmap2` Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

matter-labs/zksync-os-server#1408 · Opened Jun 23, 2026
RUSTSEC-2026-0185: Remote memory exhaustion in quinn-proto from unbounded out-of-order stream reassembly Open

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

matter-labs/zksync-os-server#1407 · Opened Jun 23, 2026
The automated release is failing 🚨 Open

semantic-release

Difficulty 3/5 1-2 days Newbie friendliness 38/100

matter-labs/zkcli-dockerized-node#6 · Opened Jun 20, 2026
Error: One or more wiring layers failed to initialize: [("settlement_layer_en", Internal(JSON-RPC request chain_id() failed: client error (Connect), DNS Error Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matter-labs/zksync#661 · Opened Jun 19, 2026
Recursive combiner does not bind output word 7 Open

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

matter-labs/zksync-airbender#314 · Opened Jun 16, 2026
Reduced LW RAM constraints accept unaligned word reads Open

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

matter-labs/zksync-airbender#315 · Opened Jun 16, 2026
[Feature request] EN-to-EN block relay over the `zks` subprotocol Open

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

matter-labs/zksync-os-server#1378 · 1 comment · Opened Jun 11, 2026
Expose L1 finality status via zks RPC methods Open

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

matter-labs/zksync-os-server#1376 · 1 reaction · Opened Jun 11, 2026
RUSTSEC-2026-0173: proc-macro-error2 is unmaintained Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

matter-labs/zksync-os-server#1364 · Opened Jun 8, 2026
[BOUNTY CLAIM] Security Audit Triage #4797 Open

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

matter-labs/zksync-era#4845 · 3 comments · Opened Jun 7, 2026
RUSTSEC-2026-0097: Rand is unsound with a custom logger using `rand::rng()` Open

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

matter-labs/zksync-os-server#1336 · Opened May 27, 2026
RUSTSEC-2026-0097: Rand is unsound with a custom logger using `rand::rng()` Open

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

matter-labs/zksync-os-server#1335 · Opened May 27, 2026
RUSTSEC-2025-0134: rustls-pemfile is unmaintained Open

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

matter-labs/zksync-os-server#1334 · Opened May 27, 2026
RUSTSEC-2026-0105: core2 is unmaintained, all versions yanked Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

matter-labs/zksync-os-server#1333 · Opened May 27, 2026
RUSTSEC-2025-0141: Bincode is unmaintained Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

matter-labs/zksync-os-server#1332 · Opened May 27, 2026
RUSTSEC-2025-0141: Bincode is unmaintained Open

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

matter-labs/zksync-os-server#1331 · Opened May 27, 2026
Gateway Mainnet RPC endpoint from docs does not resolve Open

bug

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

matter-labs/zksync-era#4822 · 1 reaction · Opened May 25, 2026
snark-wrapper verifier builder retains unsupported configuration paths behind panic! Open

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

matter-labs/zksync-crypto#133 · Opened May 24, 2026
Wrapper verifier panics on malformed proof/VK shape instead of returning invalid Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

matter-labs/zksync-crypto#132 · Opened May 24, 2026
`main_vm` relies on builder specific gate availability for code paths that otherwise panic with unimplemented!() Open

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

matter-labs/zksync-protocol#221 · Opened May 24, 2026
PorterStorage demux branch remains partially wired while scheduler hard disables zkporter Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

matter-labs/zksync-protocol#220 · Opened May 24, 2026
`tx_number_in_block` width differs between runtime (`u16`) and circuit state (`u32`) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

matter-labs/zksync-protocol#219 · Opened May 24, 2026
External node logs repeated WARN for `get_interop_fee()` against public mainnet endpoint Open

bug

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

matter-labs/zksync-era#4812 · 1 comment · Opened May 19, 2026
ETH deposits fail on non-L1-origin chains (eth-nonbase route missing V1 calldata encoding) Open

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

matter-labs/zksync-js#107 · 1 comment · Opened May 18, 2026
ZKSync Era: 2,500 sequencer stall events detected in 27h window (May 17-18) — 5.1% uptime degradation Open

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

matter-labs/zksync-era#4810 · Opened May 18, 2026
RUSTSEC-2026-0118: NSEC3 closest-encloser proof validation enters unbounded loop on cross-zone responses Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

matter-labs/zksync-os-server#1246 · Opened May 4, 2026
RUSTSEC-2026-0119: CPU exhaustion during message encoding due to O(n²) name compression Open

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

matter-labs/zksync-os-server#1245 · Opened May 4, 2026
Add helper function for token interop gateway migration Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

matter-labs/zksync-js#100 · Opened May 1, 2026

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