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zkemail

8 indexed repositories · View on GitHub

zk-email-verify
Verify any text in any sent or received email, cryptographically and via only trusting the sending mailserver.

TypeScript · 431 stars
zk-regex
A library to do regex verification in circom, adapted from the original zk-email. It additionally generates lookup tables for halo2-regex...

TypeScript · 105 stars
email-tx-builder
A Solidity library that authenticates that the user is a correct holder of the specific email address, and specify entirely in Solidity h...

Solidity · 86 stars
old.archive.zk.email
V1 of our repository to store historical, timestamped DKIM keys; and for anyone to upload their own. Basically https://archive.org for pu...

TypeScript · 19 stars
zk.email
Landing page for ZK Email

MDX · 7 stars
docusaurus
Our docs.

TypeScript · 1 star
sdk-images

Rust · 1 star
archive
WIP V2 of the DKIM Archive.

TypeScript · 0 stars

Beginner friendly Everything

Open All

Feature request: downloadable, offline-verifiable per-record proof (Witness inclusion proof + signed observation) for embedding in third-party evidence Open

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

zkemail/archive#46 · 4 comments · Opened Jul 11, 2026
Merge duplicate DkimRecord rows that share the same value Open

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

zkemail/archive#42 · Opened Jun 8, 2026
Reconcile stored headerHash with verifyDKIMSignature output Open

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

zkemail/archive#41 · 2 comments · Opened Jun 8, 2026
MIME Q-encoded headers (Subject) may break DKIM signature verification Open

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

zkemail/archive#40 · Opened Jun 8, 2026
Replace external /api/batch_update HTTP cron with in-process Render cron Open

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

zkemail/archive#39 · Opened Jun 8, 2026
Handle DKIM keys where the subdomain is dkim not _domainkey Open

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

zkemail/archive#38 · Opened Jun 8, 2026
Security contact request for private vulnerability disclosure Open

Difficulty 1/5 Under an hour Newbie friendliness 25/100

zkemail/zk-email-verify#313 · 2 comments · Opened Apr 1, 2026
[Bug] Incorrect LessThan bit-widths when comparing against constants Open

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

zkemail/zk-email-verify#289 · Opened Nov 12, 2025
Update Circom optimization flag documentation Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

zkemail/docusaurus#32 · Opened Nov 11, 2025
Verification of email with same dsp but multiple keys Open

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

zkemail/zk-email-verify#267 · Opened Jul 24, 2025
Hardcoded Public Input Size in generate-verifier-arguments Command for rust-verifier CLI tool Open

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

zkemail/zk-email-verify#265 · Opened Jul 22, 2025
Remove Direct console.log Calls from the Library Open

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

zkemail/zk-email-verify#262 · Opened Jun 19, 2025
Return Structured JSON Errors with Reason as a key Open

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

zkemail/zk-email-verify#261 · 1 comment · Opened Jun 19, 2025
Authors not showing up correctly in blog posts Open

Difficulty 3/5 1-2 days Newbie friendliness 20/100

zkemail/zk.email#39 · Opened Jun 4, 2025
Differentiate between MAX_MATCH_LEN and CAPTURE_LEN Open

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

zkemail/sdk-images#10 · Opened Apr 24, 2025
Add Verifier for Noir Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

zkemail/sdk-images#9 · Opened Apr 24, 2025
`isValidSignature` must not revert on wrong signatures Open

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

zkemail/email-tx-builder#114 · Opened Mar 25, 2025
Improve error handling and user feedback for non-existent pages Open

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

zkemail/zk.email#32 · Opened Feb 21, 2025
Compiler: should return error on invalid patterns Open

bug good first issue high

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

zkemail/zk-regex#89 · Opened Feb 17, 2025
Improve content carousel on bottom Open

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

zkemail/zk.email#29 · Opened Feb 13, 2025
Handle multiple accept states Open

bug high

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

zkemail/zk-regex#87 · 1 comment · Opened Feb 12, 2025
Split up circom circuits Open

enhancement good first issue low

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

zkemail/zk-regex#84 · Opened Jan 14, 2025
Flexible prefix in the forced subject regex Open

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

zkemail/email-tx-builder#96 · 3 comments · Opened Dec 7, 2024
Add specific instructions to the /contribute page explaining to tick the checkbox saying 'give access to emails' Open

enhancement medium

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

zkemail/old.archive.zk.email#132 · Opened Dec 5, 2024
Allow multiple backends to verify themselves and attest to the data (aka decentralize) Open

enhancement low

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

zkemail/old.archive.zk.email#121 · Opened Oct 15, 2024
UI Feedback Open

enhancement low

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

zkemail/old.archive.zk.email#120 · 2 comments · Opened Oct 14, 2024
Report errors for nondeterministic regexes Open

enhancement high

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

zkemail/zk-regex#71 · Opened Oct 9, 2024
Add SXG/RFC 9421 signatures to API responses Open

enhancement medium

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

zkemail/old.archive.zk.email#117 · Opened Oct 5, 2024
Add API endpoint for adding to DKIM Registry Open

zkemail/email-tx-builder#67 · 1 assignee · Opened Sep 30, 2024
Add tinfoil Open

easy enhancement medium

Difficulty 3/5 1-2 days Newbie friendliness 25/100

zkemail/old.archive.zk.email#109 · Opened Aug 29, 2024
ESM exports for helpers package Open

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

zkemail/zk-email-verify#213 · 2 comments · Opened Aug 22, 2024
Add multiple DNS sources Open

enhancement low

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

zkemail/zk-email-verify#212 · Opened Aug 21, 2024
Gmail uploads miss emails? Open

bug low

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

zkemail/old.archive.zk.email#106 · Opened Aug 17, 2024
helpers/mailauth/tools: `punycode` is deprecated in Node 21+ Open

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

zkemail/zk-email-verify#205 · Opened Jul 17, 2024
Add generic API endpoint for arbitrary on-chain parsing logic Open

enhancement high

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

zkemail/email-tx-builder#35 · 1 reaction · Opened Jul 7, 2024
Expose match groups Open

enhancement high

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

zkemail/zk-regex#65 · 1 comment · Opened Jul 7, 2024
Backdate dkim keys in database to the earliest email that verifies Open

bug medium

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

zkemail/old.archive.zk.email#101 · Opened Jun 26, 2024
Statistics: Estimate how common key rotation within the same selector is Open

documentation low

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

zkemail/old.archive.zk.email#100 · 4 comments · Opened Jun 21, 2024
On-the-fly running plus frontend feedback of GCD public key finder on emails during gmail upload Open

enhancement high

Difficulty 5/5 Over a week Newbie friendliness 15/100

zkemail/old.archive.zk.email#91 · 3 comments · Opened Jun 12, 2024
Deal with d= not matching @ sender domain Open

bug medium

Difficulty 4/5 3-5 days Newbie friendliness 38/100

zkemail/old.archive.zk.email#88 · Opened May 15, 2024
Make search also search over selectors Open

enhancement medium

Difficulty 3/5 1-2 days Newbie friendliness 42/100

zkemail/old.archive.zk.email#87 · 2 comments · 1 reaction · Opened May 15, 2024
Add a DNSSEC flag to the pubkey Open

enhancement medium

Difficulty 4/5 3-5 days Newbie friendliness 38/100

zkemail/old.archive.zk.email#86 · Opened May 9, 2024
Add country public keys Open

enhancement medium

Difficulty 5/5 Over a week Newbie friendliness 32/100

zkemail/old.archive.zk.email#84 · 4 comments · Opened May 6, 2024
Improve handling of records with missing/invalid key Open

enhancement low

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

zkemail/old.archive.zk.email#82 · Opened May 6, 2024
Investigation of selectors that are 32 random characters Open

low

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

zkemail/old.archive.zk.email#81 · 3 comments · Opened Apr 29, 2024
Extend one-time DNS lookup with domain-dependent selector names Open

medium

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

zkemail/old.archive.zk.email#69 · 3 comments · Opened Apr 2, 2024
Backtrack dkim observation date via email content Open

medium

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

zkemail/old.archive.zk.email#63 · 1 comment · Opened Mar 21, 2024
Add pagination to api/key endpoint Open

enhancement low

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

zkemail/old.archive.zk.email#55 · Opened Mar 14, 2024
On-demand DNS fetching Open

enhancement high

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

zkemail/old.archive.zk.email#42 · 1 comment · Opened Feb 25, 2024
Constrain bits after max len to be 0 Open

bug good first issue low

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

zkemail/zk-regex#54 · 1 comment · Opened Feb 3, 2024

zkemail

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