BEL TrustGrid
SIH 2026 · Problem Statement SIH26125 · Bharat Electronics Limited

Every action in BEL TrustGrid
leaves proof you can verify yourself.

A blockchain-based secure platform combining Decentralised Identity (DID), smart-contract access control, and NFT-based digital asset management. Built for defence-grade security. Verifiable by anyone.

Try the DemoSee how it worksPublic Verify Portal

36+

Demo personas

13

Active projects

5

Smart contracts

100%

Verifiable on-chain

Live Ledger — Polygon Amoy Testnet
DID Registeredby Aarav J.0x3fA2…abcd|
Access Grantedby Kavya R.0x9c1B…ef01|
Document Anchoredby Preethi N.0x7F8e…5e6F|
NFT Mintedby Rohan S.0x1a2B…e001|
Access Revokedby Deepa I.0x5C6D…B3C4|
Credential Issuedby Lakshmi K.0x2D3e…c0D1|
DID Registeredby Vijay S.0x6B7C…A4B5|
Hash Verified ✓by Mohan D.0x4E5f…D2E3|
DID Registeredby Aarav J.0x3fA2…abcd|
Access Grantedby Kavya R.0x9c1B…ef01|
Document Anchoredby Preethi N.0x7F8e…5e6F|
NFT Mintedby Rohan S.0x1a2B…e001|
Access Revokedby Deepa I.0x5C6D…B3C4|
Credential Issuedby Lakshmi K.0x2D3e…c0D1|
DID Registeredby Vijay S.0x6B7C…A4B5|
Hash Verified ✓by Mohan D.0x4E5f…D2E3|
How it works in 60 seconds

Identity → Access → Assets → Proof

Four building blocks that together replace fragmented, centralised systems with a single tamper-evident platform.

01

Identity

Cryptographic identity for everyone

Every user gets a Decentralised Identity (DID) — a blockchain-anchored credential instead of a username and password. Your DID is registered on-chain and can be verified by anyone, anywhere.

Why blockchain?No central database to breach.

02

Access

Smart contracts decide access

Every access request goes through a smart contract. Approvals, rejections, and expirations are recorded on the blockchain — not in a database an admin can quietly edit. Two-person approval for classified resources.

Why blockchain?No admin can silently grant themselves access.

03

Assets

Assets as tamper-proof tokens

Equipment, schematics, and digital records are represented as NFTs. Ownership transfers, custody history, and classifications are permanently recorded — creating an unbreakable provenance trail.

Why blockchain?Every transfer leaves cryptographic proof.

04

Proof

Verify everything yourself

Every action links to a real blockchain transaction. Click any hash to see it on Polygonscan. Hash a document yourself and compare it to the on-chain anchor — in your browser, no tools needed.

Why blockchain?Trust is mathematical, not administrative.

One-click demo access

Try the demo as…

No installation needed. Select any persona to instantly explore their role-specific workspace, blockchain identity, and access controls.

All data is fictional demonstration data · Not an official BEL product

Zero-trust

Role alone never grants access

Tamper-evident

Every action leaves on-chain proof

Privacy-by-design

Only hashes go on-chain, never PII

Explorer-verifiable

Click any hash to verify yourself