Blockchain Good First Issues

Browse open source issues grouped under Blockchain. Where the subject goes by older names in the issue metadata, those are matched too.

102 matching issues

Blockchain

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Average annotated difficulty: 3.7/5 across 102 issues.
4% of 102 time estimates are one day or less.

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102 open issues indexed

iOS: auto-consume of MIDEN notes stops when Delegate Proof Generation is disabled Open

0xMiden/wallet#431 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 13, 2026
Allow for multiple transactions to try to consume the same note locally Open

0xMiden/rust-sdk#380 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
feat: add extra validations when importing existing accounts Open

0xMiden/rust-sdk#640 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Share private state Open

enhancement

0xMiden/rust-sdk#1233 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Roll back account states based on mempool errors Open

0xMiden/rust-sdk#1418 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 13, 2026
Automate the submission of note scripts for public ntx notes Open

0xMiden/rust-sdk#1457 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
`InOrderIndex::idx` is `usize` Open

blocked question

0xMiden/rust-sdk#1691 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Blockchain reorg safety Open

question

0xMiden/rust-sdk#2105 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Guardian private send: post-submit bailout marks the tx "Sent" but the note payload is never relayed — recipient can never receive it Open

0xMiden/wallet#734 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Pass ChainAnchor through to executeRequest so guardian co-signatures cannot be raced Open

0xMiden/wallet#784 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 13, 2026
Seed-recovered Guardian account can be permanently locked behind its own rotation gate Open

0xMiden/wallet#805 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 13, 2026
AggLayer bridge, its faucet and the Epoch USDC faucet have no state on the reset 0.16 testnet Open

0xMiden/wallet#859 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Detect erased notes for a network account Open

0xMiden/rust-sdk#2116 · 1 comment · 0 reactions · 2 assignees · Indexed Sep 13, 2026
Handling reference block on transaction execution Open

0xMiden/rust-sdk#2139 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
State sync: authenticate chain-tip header via `block_signature` Open

0xMiden/rust-sdk#2236 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 13, 2026
Counterparty privacy for the in-protocol DEX Open

enhancement

0xMiden/rust-sdk#2305 · 16 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Implement Web3Signer-compatible `Keystore` Open

enhancement

0xMiden/rust-sdk#2369 · 3 comments · 1 reaction · 1 assignee · Indexed Sep 13, 2026
Sender-controlled block_hint with no upper bound can permanently hide a committed note from sync Open

0xMiden/rust-sdk#2393 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Do not silently overwrite partial blockchain MMR nodes in IndexedDB Open

0xMiden/web-sdk#193 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
Consuming a note against an imported public account fails at apply with "account data wasn't found" under the default Web Worker client Open

0xMiden/web-sdk#222 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
sendPrivateNote relays sync height as the block hint, overshooting the commitment block (silent non-delivery on fast chains) Open

0xMiden/web-sdk#262 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Programmatic Log Trigger Upkeep registers as Custom Logic (Chainlink Automation) Open

0xEunum/Chainlink-Fundamentals#1 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Smart contract security scan service — callable by AI agents via x402 (MCP native) Open

0xEunum/DoloX#2 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Withdraw function not working on local host chain Open

0surface/chain-remit#1 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
WIP: Convert min stake and max stake values in zwalletcli to ZCN ,mZCN and other formats Open

good first issue post-mainnet

0chain/zwalletcli#10 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Remove multisig wallet feature Open

post-mainnet

0chain/zwalletcli#249 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
stake authorizers Open

post-mainnet

0chain/zwalletcli#287 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Bridge-burn-eth command not working Open

0chain/zwalletcli#357 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Mn-user-info does not exit and retrieves info from all sharders Open

0chain/zwalletcli#359 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Feature: replace Bancor integration with Uniswap network integration Open

enhancement

0chain/zwalletcli#381 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
Two consequent magic blocks have the same number? Open

post-mainnet

0chain/0chain#381 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Smart contract settings: restrict changes to set rounds. Open

enhancement post-mainnet smart-contracts

0chain/0chain#534 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Fix vc:true chain stuck issue on branch `tps-optimze` Open

bug miner post-mainnet

0chain/0chain#609 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
gRPC miner migration endpoint `/v1/_m2m/dkg/share` Open

grpc miner post-mainnet

0chain/0chain#665 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Security level for settings Open

enhancement mainnet post-mainnet smart-contracts

0chain/0chain#736 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
DKG.Pi is changed unexpectedly when VC:false Open

bug post-mainnet

0chain/0chain#737 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Organize smart contract in packages with version Open

chain upgrading support post-mainnet

0chain/0chain#747 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Add smart contract/protocol versions MPT nodes Open

chain upgrading support post-mainnet

0chain/0chain#748 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 13, 2026
Add supported smart contract/protocol versions to the `health_check` smart contract Open

chain upgrading support post-mainnet

0chain/0chain#749 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 13, 2026
Blobber max staked capacity factor. Open

mainnet post-mainnet smart-contracts

0chain/0chain#781 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Consensus: verify block caching Open

enhancement post-mainnet

0chain/0chain#794 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
Add config to indicate the threshold for upgrading versions of smart contracts and protocol Open

chain upgrading support post-mainnet

0chain/0chain#803 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
Add smart contract to switch the versions in MPT Open

chain upgrading support post-mainnet smart-contracts

0chain/0chain#804 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Blockchain smart contract upgrading capacitity support Open

chain upgrading support post-mainnet

0chain/0chain#805 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Blockchain protocol upgrading capacity support Open

chain upgrading support post-mainnet

0chain/0chain#806 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Block rewards for miners and sharders Open

post-mainnet smart-contracts

0chain/0chain#829 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
Add adapter to convert the MPT nodes on SC version switching transaction Open

chain upgrading support post-mainnet

0chain/0chain#870 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 13, 2026
Add new message protocol to report new versions Open

chain upgrading support post-mainnet

0chain/0chain#902 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 13, 2026
Config settings summary Open

documentation post-mainnet

0chain/0chain#905 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Free storage restriction. Open

post-mainnet smart-contracts

0chain/0chain#934 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026

Blockchain Good First Issues

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