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Certified, Tamper-Evident Communication You Can Rely On

For businesses, professionals, and individuals who need verifiable proof of what was sent and when.

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What's Coming

Secure Communication, Simplified

Sendcrow is reimagining how sensitive information is shared online.

Certified Email & Notices

Formal communication with verifiable proof of delivery and opening. Sendcrow allows you to send official correspondence—contracts, notices, or personal agreements—where each message is digitally signed, timestamped, and independently verifiable, ensuring authenticity and delivery proof you can rely on later.

Certified Conversations

Two-way dialogs stored in a tamper-evident event chain. Every message exchange between parties is securely recorded and cryptographically chained, creating a continuous, unalterable record of discussion that preserves both sides' statements exactly as they occurred.

Evidence Packages

Downloadable, timestamped records you can attach to disputes, audits, or compliance reviews. Each certified communication can be exported as an Evidence Package containing verifiable message data, delivery receipts, and timestamps—ready for presentation in legal, financial, or compliance-related contexts.

Blockchain-Style Evidence Chain

Each event is cryptographically linked so tampering becomes obvious. Sendcrow uses advanced hashing and chaining methods to link every message event, ensuring that even the slightest modification can be detected, protecting the integrity of your communication history.

Business-Friendly Interface

Certified communication that feels as simple as regular email or chat. Despite the complex cryptographic infrastructure beneath, Sendcrow's intuitive dashboard makes certified sending, receiving, and verification effortless for individuals and teams without requiring any technical expertise.

Universal Proof of Communication

Trusted evidence for business, legal, or personal matters. Whether settling agreements, confirming delivery, or documenting sensitive discussions, Sendcrow provides reliable, tamper-evident proof that your message was sent, received, and acknowledged—protecting both organizations and individuals alike.

Stay Tuned

We're working around the clock to bring you the most secure, user-friendly platform for sharing sensitive information. Our launch is right around the corner, and we can't wait to show you what we've built.

Why Sendcrow?

The Problem with Email

Standard email offers no reliable proof that a message was received or read. Copies can be altered, messages can disappear, and there's no verifiable audit trail—leaving professionals, legal parties, and businesses vulnerable in disputes or compliance reviews.

The Sendcrow Solution

Sendcrow transforms ordinary communication into certified, tamper-evident records. Every email, notice, or conversation is cryptographically sealed, timestamped, and stored in a blockchain-style event chain—providing clear, verifiable evidence of who said what, and when.

Learn More

Explore our latest articles on certified communication and digital evidence

What Is Certified Email?

Certified email gives businesses verifiable proof that every message was delivered, opened, and acknowledged — without the cost or delays of paper-based certified mail.

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Digital Evidence for Businesses

Turn everyday correspondence into verifiable digital evidence, reducing the cost and risk of proving what happened later.

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Blockchain-Style Evidence Chain

Secure every message event using cryptographic hashing and chained verification — forming a tamper-evident audit trail for certified communication.

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Formalize Evidence of Notice

Enable teams to issue formal notices and verified acknowledgments with digital proof — saving time, cost, and risk.

Read More