Every contract version. Every signature. Every amendment. Immutable. Verifiable. Forever.Cada versión de contrato. Cada firma. Cada enmienda. Inmutable. Verificable. Para siempre.

Contract platforms manage millions of agreements. But centralized storage means audit trails can be questioned, versions can be altered, and disputes become "he said/she said." On-chain hashing ends that — permanently.Las plataformas de contratos gestionan millones de acuerdos. Pero el almacenamiento centralizado significa que las auditorías pueden cuestionarse, las versiones pueden alterarse y las disputas se convierten en "él dijo/ella dijo." El hashing en cadena termina con eso — permanentemente.

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Contract Vault — Recent Activity
Series B Term Sheet v3
Signed 2 hours ago · 3 parties
Verified
0x7f3a…c82e — Block #18,472,931 · Polygon
Vendor MSA — Acme Corp
Amendment signed today · 2 parties
Verified
Employment Agreement — J. Smith
Awaiting signature
Hashing…
The ProblemEl Problema
Centralized Contracts Can Be ChallengedLos Contratos Centralizados Pueden Ser Cuestionados
When contract history lives in a single platform, it's only as trustworthy as the platform. Disputes thrive in ambiguity.
Before

Mutable History

  • Version history stored centrally — could be altered
  • No cryptographic proof of when signatures occurred
  • Disputes require expensive forensic analysis
  • Audit trails depend on platform uptime
  • "He said/she said" over contract versions
After

Immutable Proof

  • Every version hashed on-chain — tamper-proof
  • Timestamped execution proof on public ledger
  • Disputes resolved in minutes with cryptographic verification
  • Audit trail exists independent of any platform
  • One-click integrity verification for any contract
Interactive DemoDemostración Interactiva
See It In ActionVelo en Acción
Your legal team's workflow, enhanced — not replaced. Blockchain happens under the hood.

Contracts Overview

All your contracts at a glance — status, verification state, and integrity health.

1,247 Active Contracts

All hashed and verified on-chain. 100% integrity status.

98.6% Verified

Contracts with on-chain proof. Up from 0% before integration.

2.3s Avg Verification

Time to verify any contract's integrity and signing timeline.

0 Integrity Failures

No tampered or disputed contracts since on-chain deployment.

Contract Vault

Hash any contract on-chain with one click. Verify integrity anytime. No crypto knowledge needed.

Master Service Agreement — BigTech Inc.
v4 · 14 pages · Signed by 5 parties
0x8a1f…3d72 — Block #18,473,102 · Verified 4 min ago
Verified
Data Processing Addendum — EuroCo
v2 · 8 pages · GDPR compliant signing
0x4c9e…a1b5 — Block #18,472,887 · Verified 1 hr ago
Verified

How It Works

When a contract is finalized in your system, we generate a SHA-256 hash of the document and record it on-chain. The document itself stays in your platform — only the fingerprint goes on-chain. Zero data exposure. Tamper-proof proof.

Immutable Version History

Every version, every change, every signature — recorded with cryptographic timestamps that can never be altered.

June 12, 2026 — 3:42 PM
v4 — Final Execution
All 5 parties signed. Contract fully executed.
0x8a1f…3d72 · Block #18,473,102
June 10, 2026 — 11:15 AM
v3 — Legal Review Complete
Redline changes accepted. Ready for final signatures.
0x6b2d…9e41 · Block #18,461,220
June 5, 2026 — 9:30 AM
v2 — Counterparty Redlines
BigTech legal submitted markup on Sections 4.2, 7.1, 12.3.
0x3f7a…c528 · Block #18,438,774
June 1, 2026 — 2:00 PM
v1 — Initial Draft
Generated from MSA template. Sent to BigTech for review.
0x1e9c…a0f3 · Block #18,420,551

Dispute Resolution

Resolve contract disputes in minutes, not months. Cryptographic proof eliminates "he said/she said."

Verify Signature

Enter any contract ID and instantly verify who signed, when, and what version they signed. Takes 2 seconds.

Compare Versions

Side-by-side version comparison with on-chain proof of each version's content and timestamp.

Generate Evidence Package

One-click export of full signing timeline, version history, and on-chain proofs for legal proceedings.

Before vs After

Average dispute resolution: 47 days → 3 hours. Legal costs: $45K avg → under $500 in verification.

ROI CalculatorCalculadora de ROI
Your Potential SavingsTus Ahorros Potenciales
How much are contract disputes costing your organization?
$1.13M
Estimated Annual Savings
Contracts/Year500
Dispute Rate5%
Disputes/Year25
Cost per Dispute$45,000
Total Dispute Cost$1.13M
Projected Savings (85%)$956K
PricingPrecios
Phased DeploymentImplementación por Fases
Start with the vault. Expand to full platform. Your legal team sets the pace.
Phase 1
$10K
One-time deployment
On-chain contract vault — hash, verify, and prove integrity for every contract.
  • On-chain contract hashing
  • Contract platform integration
  • One-click verification
  • Integrity dashboard
  • API access
Get Started
Phase 2
$25K
One-time deployment
Full immutable lifecycle — version history, dispute resolution, evidence packages.
  • Immutable version timeline
  • Dispute resolution toolkit
  • Evidence package export
  • Multi-party signature proofs
  • Compliance reporting
  • Dedicated success manager
Get Started
Phase 3
$6K/yr
Annual maintenance
Ongoing support, chain upgrades, and new integrations.
  • Platform maintenance
  • New chain support
  • Contract platform version updates
  • Priority support
  • Quarterly reviews
Contact Us

Make Every Contract UnchallengeableHaga Cada Contrato Inimpugnable

Book a 30-minute call. We'll walk through your contract workflow and show you exactly where on-chain verification eliminates dispute risk.Reserve una llamada de 30 minutos. Revisaremos su flujo de trabajo de contratos y le mostraremos exactamente dónde la verificación en cadena elimina el riesgo de disputas.

Book a Strategy Call →