SIH26125SoftwareBlockchain & Cybersecurity
₹1,50,000 Prize (₹75k Joint)
•Deadline: 20 September 2026
•Submitted Ideas: 0/500
Blockchain-Based Secure Platform for Identity,Access Control, and Digital Asset Management
Ministry / Organization: Bharat Electronics Limited
Technical Complexity
8/10
Dataset Accessibility
9/10
36h Hackathon Viability
9/10
Step 0 • Zero-Jargon Layman Summary
“Organizations currently store identities and valuable assets in centralized databases that are easy targets for hackers and single points of failure. This project requires building a blockchain-based platform where users have secure digital identities, strict role-based access permissions, and their assets are permanently tracked as unique NFTs.”
The DecodeX PS Decoder™
Deconstructed Problem Blueprint
Step 1
WHAT TO BUILD?
A decentralized web application and smart contract ecosystem for Decentralized Identity (DID), Role-Based Access Control (RBAC), and NFT-based digital asset ownership and transfer tracking.
Step 2
WHO IS IT FOR?
Bharat Electronics Limited (BEL), defense organizations, and enterprise IT/security administrators who need tamper-proof resource tracking and verification.
Step 3
WHY DOES IT EXIST?
Centralized credential storage and asset management systems are vulnerable to tampering, insider threats, privilege escalation, and single-point-of-failure hacks.
Step 4
INPUT → PROCESS → OUTPUT ARCHITECTURE PIPELINE
01 • Inputs & Telemetry
User authentication requests, admin role-assignment forms, asset metadata, minting parameters, and ownership transfer requests.
02 • Processing & AI Core
Smart contract execution for DID verification, RBAC checks, dynamic NFT minting, transfer validation, and hashing transactions to an immutable ledger.
03 • Actionable Deliverables
Verifiable cryptographic proofs, decentralized access logs, immutable ownership records, and a real-time administrative dashboard tracking asset lineage.
Step 5
CONSTRAINTS
- Must use secure, audit-friendly smart contracts
- Gas optimization for transaction efficiency
- Strict role enforcement preventing privilege escalation
- Clear separation of admin vs. user capabilities
Step 6
JURY METRICS
- Smart contract gas efficiency and execution speed
- Zero unauthorized access loopholes during simulated penetration testing
- Clarity and completeness of the immutable audit trail dashboard
- UI/UX simplicity for non-crypto-native enterprise users
Step 7
CORE BOTTLENECK
Designing a seamless UX that hides crypto wallet complexities (like gas fees and private key management) from enterprise users while retaining full decentralization.
Why You Should Choose This PS (Pros)
- Extremely relevant to defense and high-security public sector enterprises like BEL
- Clear, modular architecture (Identity + Access Control + Asset Management)
- Strong visual 'wow factor' via real-time blockchain audit logs and interactive NFT tracking
Challenges & Risks to Watch (Cons)
- Requires solid understanding of smart contract security and web3 libraries
- Debugging smart contract reverts during a live 36-hour hackathon can be stressful
- Potential confusion between public blockchains and enterprise-grade private/permissioned networks
Hackathon Blueprint
Recommended Tech Stack & Grand Finale Features
Frontend & Mobile
Next.jsTailwind CSSEthers.js / Wagmi
Backend & APIs
Node.jsExpressHardhat / Foundry for smart contracts
AI / ML & Models
Optional anomaly detection model for flagging suspicious access attempts
Database & Cloud
PostgreSQL (for off-chain metadata caching)IPFS / Pinata (for NFT metadata storage)
Killer Features to Impress the SIH Jury
One-click enterprise SSO linked directly to Decentralized Identifiers (DIDs)
Visual asset lineage tree showing complete ownership history and past access logs
Automated time-bound or condition-based access revocation enforced entirely via smart contracts
An immutable security incident dashboard that instantly highlights failed unauthorized access attempts
View Official SIH 2026 Portal Raw Text▼
•Background Organizations today rely heavily on centralized identity and access management systems, which create significant security and operational risks. These systems are vulnerable to cyber attacks, identity theft, unauthorized access, and single points of failure. Additionally, digital and physical asset ownership is often managed through disconnected or semi-centralized systems, making verification of authenticity, access rights, and ownership history difficult and unreliable. There is a growing need for a decentralized, tamper-proof system that can securely manage user identities, control access permissions, and ensure transparent ownership of digital assets
•Detailed Description The system aims to introduce a blockchain-based framework that integrates decentralized identity management, access control, and NFT-based digital asset ownership. Each user is assigned a decentralized identifier, which serves as a secure and verifiable digital identity independent of centralized authorities and authenticated using cryptographic proofs. Digital assets are represented as Non-Fungible Tokens (NFTs),ensuring each asset is unique, traceable, and permanently recorded on the blockchain.These NFTs are directly allocated to user identities, establishing verifiable ownership that cannot be altered or duplicated.Smart contracts govern all operations within the platform, allowing only authorized administrators to mint NFTs and assign them to user identities, ensuring controlled asset creation and secure distribution. The system also implements Role-Based Access Control (RBAC), where administrators define roles such as Admin, Manager, Auditor,and User and assign specific access rights to each identity. These permissions are enforced automatically by smart contracts during all operations. Every activity, including identity creation, NFT creation, asset allocation, access rights assignment, ownership transfers, and permission updates, is immutably recorded on the blockchain, providing a transparent and tamper-proof audit trail for verifying ownership, authenticity, and access history.
•Expected Solution The expected solution is a decentralized blockchain-based platform that integrates secure digital identity management, NFT-based asset ownership, and access control into a unified and trustless system. It utilizes decentralized identifiers to provide users with self-sovereign, cryptographically verifiable identities that function independently of centralized authorities. Digital assets are issued as Non-Fungible Tokens (NFTs), ensuring uniqueness, traceability, and immutable ownership, with each NFT directly linked to a user’s decentralized identity to establish a permanent and verifiable connection between assets and their owners.The system should be governed by smart contracts that enforce strict rules for NFT creation, allocation, transfer, and validation. Only authorized administrators are allowed to create NFTs and assign them to identities, ensuring secure and controlled asset governance while preventing unauthorized duplication or reassignment. Additionally, the platform should implement Role-Based Access Control (RBAC), where administrators define roles and assign access permissions that determine user privileges within the system. All identity operations, NFT transactions, and access control updates are permanently recorded on the blockchain, ensuring complete transparency, auditability,and tamper-proof verification of ownership, permissions, and transaction history.