VastlinkVastlink

A next generation digital asset operating system for humans and AI

Keyless powered by MPC, no single point of failure
Enterprise-grade security with MFA and policy controls
Self‑hosted or cloud-based
Built for individuals, teams, treasuries, and funds

Vastlink logo
Open source Self‑custodial Enterprise‑grade security Developer‑friendly SDK Multi-coin Cross-chain
Bitcoin Ethereum Tether USDT USD Coin Solana Sui

Why Vastlink

Keyless powered by MPC

No single point of failure
Self‑hosted or cloud-based
No vendor lock‑in

Enterprise-grade security

Multiple factor authentication
Spend limits
Multisig approvals

Developer‑first SDK

Simple APIs
Clean documentation
Live examples

Use cases

Treasury management

Manage holdings across chains
Multisig approvals
Payouts at ease
Earning options powered by AI

Payments

On-ramp and off-ramp
KYC / KYB / KYT
Cross-border B2B payments under regulatory compliance

Real world assets

RWA project setup and user onboarding
On-click RWA token issuance
RWA token management

Blog

What the $88 Million Coldcard Hack Teaches Us About Single-Vendor Custody Risk

A firmware bug silently weakened Coldcard wallet seeds for five years, leading to an $88.6M Bitcoin theft. What single-vendor custody risk really means — and why governance closes the gap.

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Crypto Custody for Business: A Practical Guide for 2026

61% of businesses holding crypto use multiple custodians but have no unified governance. A practical guide to choosing and governing crypto custody for your business.

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Crypto Custody Solutions: What Institutions Need to Know in 2026

$3.4 billion in crypto was stolen in 2025. Custody is not a technology problem — it is a governance problem. A practical guide for fund managers, treasury operators, and CEOs.

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FAQ

What is the difference between "digital asset operating system (DAOS)" and "wallet as a service (WaaS)" or "wallet as a protocol (WaaP)"?

The difference is similar to the difference between a database and an operating system. WaaS and WaaP solve one component of digital asset infrastructure: wallets. Whereas DAOS manages the entire lifecycle of digital assets.

Is Vastlink open source?

Vastlink is fully open source and decentralized powered by tokenomics.

Can we self‑host Vastlink?

Yes, you can choose to deploy Vastlink on your own infrastructure so that you have full control.

How about the pricing?

Vastlink's pay-as-you-go / gas fee model makes it flexible and cost-efficient, you only pay for what you have consumed, no fixed price or upfront subscription fee.