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OffchainLabs

15 indexed repositories · View on GitHub

prysm
Go implementation of Ethereum proof of stake

Go · 3781 stars
arbitrum-classic
Powers fast, private, decentralized applications

Go · 2001 stars
stylus-sdk-rs
Rust Smart Contracts on Arbitrum

Rust · 325 stars
arbitrum-sdk

TypeScript · 275 stars
arbitrum-docs
Arbitrum Docs! Content + Webapp

JavaScript · 252 stars
token-bridge-contracts
Arbitrum token bridge and peripheral contracts

Solidity · 195 stars
nitro-contracts
The core Arbitrum Nitro contracts deployed to the parent chain to host the rollup

Solidity · 151 stars
arbitrum-chain-sdk
💙 SDK for building Arbitrum chains

TypeScript · 54 stars
prysm-documentation
Documentation portal for all things Prysm / Eth2

JavaScript · 46 stars
hashtree
SHA256 library highly optimized for Merkle tree computations

Assembly · 42 stars
arbitrum-token-lists

TypeScript · 29 stars
stylus-by-example
Simple examples of Arbitrum Stylus Rust & WASM smart contracts

MDX · 28 stars
arbitrum-cli-tools

TypeScript · 11 stars
arbitrum-chain-actions

Solidity · 4 stars
tally-zero
Arbitrum DAO Governance UI

TypeScript · 1 star

Beginner friendly Everything

Open All

When importing a Slashing Protection Interchange Format (EIP-3076) or when converting a minimal anti-slashing DB to a complete one, be sure not to treat any missing signing root as `0x0000....` Open

bug-fix

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

OffchainLabs/prysm#17516 · 1 comment · Opened Sep 18, 2026
Support the `validator slashing-protection-history export` command when using the `--enable-minimal-slashing-protection` Open

validator-client

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

OffchainLabs/prysm#17514 · Opened Sep 18, 2026
Enabling `--slasher` bypasses bad-block checks for attestations, yielding IGNORE instead of REJECT Open

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

OffchainLabs/prysm#17513 · Opened Sep 18, 2026
Remove proto messages for `BeaconState`s Open

optimization

OffchainLabs/prysm#17503 · 1 assignee · Opened Sep 17, 2026
Remove FCR hack for spectest Open

blocked spec-tests

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

OffchainLabs/prysm#17501 · Opened Sep 17, 2026
Docs update request: /docs/manage-wallet/web3signer/ Open

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

OffchainLabs/prysm-documentation#1248 · Opened Sep 13, 2026
Integrating forkchoice compliance tests Open

forkchoice spec-tests

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

OffchainLabs/prysm#17488 · Opened Sep 11, 2026
Attestation broadcast dropped with "this Topic is closed" when the per-slot subnet prune closes a topic handle held by an in-flight PublishToTopic (no retry) Open

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

OffchainLabs/prysm#17469 · Opened Sep 8, 2026
gRPC VC never receives execution_payload_available, PTC votes always wait for the deadline Open

validator-client

OffchainLabs/prysm#17465 · 1 assignee · Opened Sep 7, 2026
Expose a payload-content aware IsOptimistic for gloas Open

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

OffchainLabs/prysm#17451 · Opened Sep 3, 2026
LC Backfill Meta Tracking Issue Open

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

OffchainLabs/prysm#17448 · Opened Sep 3, 2026
Add Receive-Side Rate Limiting to Prysm’s discv5 UDP Socket Open

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

OffchainLabs/prysm#17446 · Opened Sep 3, 2026
Antislashing database export and keymanager API mismatch Open

OffchainLabs/prysm#17408 · 6 comments · 1 assignee · Opened Aug 25, 2026
Local building failure fallsback only to p2p bids Open

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

OffchainLabs/prysm#17407 · 2 comments · Opened Aug 25, 2026
Beacon node can deadlock at startup when bulk state deletion runs concurrently with a nested DB read Open

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

OffchainLabs/prysm#17366 · Opened Aug 17, 2026
doppelganger clearing should use the head epoch Open

validator-client

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

OffchainLabs/prysm#17332 · 2 comments · Opened Aug 10, 2026
GabrielFX | Independent Delegate Open

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

OffchainLabs/tally-zero#96 · Opened Aug 7, 2026
DataColumnSidecarsByRange lacks per-batch slot width cap, causing massive single-batch DB reads Open

Difficulty 3/5 1-2 days Newbie friendliness 70/100

OffchainLabs/prysm#17314 · Opened Aug 6, 2026
PeerDAS: validator custody applied ~60s after startup; node advertises earliestAvailableSlot it cannot serve, leading to peer-score bans Open

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

OffchainLabs/prysm#17312 · Opened Aug 6, 2026
Docs update request: /docs/monitoring-alerts-metrics/grafana-dashboard/ Open

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

OffchainLabs/prysm-documentation#1229 · Opened Aug 3, 2026
Deadlock at the end of the backfill (not 100% reproducible). Open

blobspace

OffchainLabs/prysm#17282 · 1 assignee · Opened Jul 31, 2026
`BeaconBlocksByRoot` accepts unsolicited block roots and skips bad-response peer scoring Open

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

OffchainLabs/prysm#17280 · Opened Jul 31, 2026
Remove shared state mutexes for sync service especially pending messages Open

cleanup

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

OffchainLabs/prysm#17255 · 1 comment · Opened Jul 28, 2026
Attest-timely event stream fix + gossipsub ignore bug Open

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

OffchainLabs/prysm#17245 · Opened Jul 27, 2026
Pending attestations fail to be re-gossiped after an unknown-block `ValidationIgnore` because GossipSub already marked the message as seen Open

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

OffchainLabs/prysm#17233 · Opened Jul 24, 2026
Validator occasionally misses attestations after enabling `--enable-beacon-rest-api` due to proposer duties request for an invalid epoch (HTTP 400) Open

OffchainLabs/prysm#17191 · 4 comments · 1 assignee · Opened Jul 16, 2026
`--enable-experimental-batch-submission`: REST VC performs duties per-role. Open

OffchainLabs/prysm#17183 · 4 comments · 2 assignees · Opened Jul 15, 2026
Revamp VC key loading Open

validator-client

OffchainLabs/prysm#17165 · 1 comment · 1 assignee · Opened Jul 12, 2026
Parity with `beacon-metrics` Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

OffchainLabs/prysm#17132 · Opened Jul 8, 2026
FOCIL: get_inclusion_list_committee and signature domain may diverge from current Heze spec Open

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

OffchainLabs/prysm#17102 · Opened Jul 4, 2026
Support SSZ Engine Open

OffchainLabs/prysm#17046 · 1 assignee · Opened Jun 29, 2026
E2E metrics check was actually no-op: `metricCheckComparison` failure Open

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

OffchainLabs/prysm#17043 · Opened Jun 28, 2026
Track Post-Quantum Cryptography readiness (BLS12-381, EIP-11772, leanXMSS) Open

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

OffchainLabs/prysm#17015 · Opened Jun 21, 2026
Revisit and Audit peer scoring in Prysm Open

OffchainLabs/prysm#16998 · 1 comment · 1 assignee · Opened Jun 18, 2026
Gloas changes for Partial Columns Open

OffchainLabs/prysm#16990 · 1 assignee · Opened Jun 17, 2026
Remove Bazel Open

tools

OffchainLabs/prysm#16982 · 2 reactions · 1 assignee · Opened Jun 16, 2026
Remove the paths that used lastValidated Open

OffchainLabs/prysm#16974 · 1 assignee · Opened Jun 15, 2026
Update docs for gloas Open

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

OffchainLabs/prysm-documentation#1187 · Opened Jun 15, 2026
Move constants in the partial broadcaster to a common package to avoid duplication Open

OffchainLabs/prysm#16940 · 1 assignee · Opened Jun 10, 2026
cargo-stylus fails to find WASM file when package name contains hyphens (cdylib TargetKind check bug) Open

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

OffchainLabs/stylus-sdk-rs#439 · Opened Jun 4, 2026
Partial Columns: Add a RoPartialDataColumn and VerifiedRoPartialDataColumn types for consistency with full data columns Open

partial-cells-getBlobs-v3

OffchainLabs/prysm#16892 · 3 comments · 1 assignee · Opened Jun 4, 2026
Populate custodyColumns in engine_forkChoiceUpdatedV4 (EIP-8070: eth/72 - Sparse Blobpool support) Open

OffchainLabs/prysm#16889 · 1 assignee · Opened Jun 3, 2026
Support engine_getBlobsV4 (EIP-8070: eth/72 - Sparse Blobpool support) Open

OffchainLabs/prysm#16888 · 1 assignee · Opened Jun 3, 2026
revisit reorgLateBlockCountAttestations for gloas Open

discussion gloas

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

OffchainLabs/prysm#16870 · Opened May 31, 2026
should we run processAttestations before late block tasks Open

discussion gloas

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

OffchainLabs/prysm#16869 · Opened May 31, 2026
lateBlockTasks builds on full on presence Open

discussion gloas

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

OffchainLabs/prysm#16868 · Opened May 31, 2026
dead fcuArgsNonCanonicalBlock path Open

bug gloas

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

OffchainLabs/prysm#16867 · 1 comment · Opened May 31, 2026
send an FCU on import of a non-canonical block Open

discussion gloas

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

OffchainLabs/prysm#16866 · Opened May 31, 2026
post gloas import block saves head without a reorg guard Open

bug gloas

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

OffchainLabs/prysm#16864 · Opened May 31, 2026
Assess constanine for KZG operations Open

blobspace

OffchainLabs/prysm#16850 · 5 comments · 3 reactions · 1 assignee · Opened May 27, 2026

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