KnexMail

Encrypted email service with emoji-to-ASCII handle system, built on AWS serverless infrastructure.

Live: knexmail.com

---

Handle System

KnexMail uses a unique emoji-to-ASCII mapping for human-friendly email addresses:

Feature	Detail
Format	Lowercase ASCII (a-z, 0-9, .) mapped to emoji display
Combinations	6.4 billion possible handles (vs ~100K traditional)
Validation	NFKD normalization, homograph protection, reserved handle list
Display	Emoji rendering in UI, ASCII stored on backend

Security

• Homograph attack protection
• Phishing resistance via unique emoji identifiers
• Credential stuffing defense
• Rate limiting per handle and IP

---

Reward System

50,000,000 KNEX allocated for user acquisition with exponential decay tiers:

Tier	Users	Reward
Early Adopter	1 - 10,000	500 KNEX
Growth	10,001 - 100,000	100 KNEX
Scale	100,001 - 1,000,000	10 KNEX
Mature	1,000,001+	1 KNEX

Dynamic rewards adjust based on network velocity and engagement metrics.

---

Transaction Integration (Memo Type 0x05)

KnexMail handles are linked to KNEX transactions via the typed memo envelope system. When a transaction references a KnexMail handle, the memo carries a type 0x05 payload:

Field	Size	Description
handle_hash	20B	SHA-256(handle)[0:20] — truncated hash of lowercase ASCII handle
context	≤233B	Optional UTF-8 context (payment note, invoice ref, etc.)

This allows wallets and explorers to resolve the recipient's KnexMail handle from the transaction memo, enabling human-readable transaction descriptions like "Payment to user.handle" instead of raw 50-char Base62 addresses.

---

Infrastructure

Component	Service
Compute	AWS Lambda (serverless)
API	API Gateway (REST + WebSocket)
Database	DynamoDB (single-table design)
Email	Amazon SES
DNS	Route 53
CDN	CloudFront

---

Directory Structure

KnexMail/
├── aws/                          # Lambda functions and SAM templates
├── docs/                         # Architecture documentation
├── EMOJI_EMAIL_STANDARD.md       # Emoji-to-ASCII mapping specification
├── EMOJI_HANDLES.json            # Handle registry
├── HANDLE_VALIDATION_RULES.md    # Validation and normalization rules
├── RESERVED_HANDLES.md           # Reserved handle list
├── DYNAMIC_REWARDS_IMPLEMENTATION.md  # Reward tier logic
├── dns-records.csv               # DNS configuration
├── KnexMail_Terms_of_Service.txt
├── KnexMail_Privacy_Policy.txt
└── KnexMail_Cookie_Policy.txt

---

License

Copyright 2026 KnexCoin. All rights reserved.

Built by Distributed Ledger Technologies.