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CASE STUDY · MARITIME CLEARANCE

Making vessel clearance digitally verifiable at the Port of Bridgetown

Barbados Port Inc. worked with Dock Labs to enable electronic Certificates of Clearance that vessel representatives can present and recipients can digitally verify.

Port context
1,100+vessels received annually
Over 90%of Barbados' imports handled
Verifiable credential
Certificate of Clearance
Electronic certificate
Issued byBarbados Port Inc.Issued throughMaritime Single WindowPortPort of BridgetownVesselSample vessel
Digitally signed by the Port
Certificate verified
Source, integrity and status checked
The challenge

Paper-based clearance could mean delays and errors.

Vessels entering or leaving Barbadian waters must obtain a Certificate of Clearance. The process could be paper-based, time-consuming and susceptible to errors and delays. A certificate also needs to be checked when it is presented, especially if a vessel's authorization has changed.

Certificate of Clearance
Who issued it?
Has it changed?
Is it still valid?
The solution

Verifiable clearance certificates

1. Issue

Port issues

An electronic Certificate of Clearance, issued as a verifiable credential through the Maritime Single Window.

2. Present

Vessel representative presents

The vessel representative receives the credential and presents it when clearance needs to be shown.

3. Verify

Recipient verifies

Certificate verified
SourceIssued by the expected sourceIntegritySigned information has not been alteredStatusCredential is currently valid
REVOCATION

A genuine certificate may no longer be valid.

The Port has the capability to revoke a credential in real time when a vessel is no longer authorized to enter or leave Barbadian waters. A verifier can then identify that revoked status even if the original certificate is still being presented.

Before revocationValid
Certificate of Clearance
Source
Integrity
StatusValid
Port revokes the credential
After revocationRevoked
Certificate of Clearance
Source
Integrity
StatusRevoked
The outcome

A faster, more reliable way to verify vessel clearance.

The integration moves Certificates of Clearance into a digitally verifiable workflow. The Port can issue electronic credentials, recipients can check their authenticity, and revoked credentials can signal when authorization no longer applies. The Port reports that this streamlines and accelerates clearance verification and supports more reliable operations.

“The new strategic vision for our port hinges on our ability to innovate. With Dock Labs' Verifiable Credentials, the Port of Bridgetown produces digital solutions that become the rising tide that raises all ships.”

Captain Karl BranchBarbados Port Inc.
Start with the workflow

Where does document verification slow down your workflow?

Dock Labs can help you explore how verifiable credentials can fit into the systems your organization already uses.