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TangibleFi

TangibleFi

Tokenize. Borrow. Repay. All with TangibleFi.

Created on 29th June 2025

TangibleFi

TangibleFi

Tokenize. Borrow. Repay. All with TangibleFi.

The problem TangibleFi solves

The Problem It Solves

Traditional asset-backed lending and borrowing workflows suffer from multiple pain points:

  • Illiquidity of Real‑World Assets (RWAs):
    Real estate, vehicles, invoices and other tangible assets are hard to fractionalize, trade, or use as collateral without heavy paperwork and intermediaries.

  • Opaque, Manual Processes:
    Loan origination, approval, disbursement and EMI collection rely on centralized institutions, leading to delays, human error, and limited auditability.

  • Credit‑Score Barriers:
    Borrowers with limited or no credit history struggle to access fair financing, despite owning valuable assets.

  • Siloed Blockchains & Tokens:
    Fragmented DeFi ecosystems force users to choose a single chain or token, often incurring high gas fees and extra bridging steps.


How TangibleFi Makes Tasks Easier & Safer

  • Instant NFT Collateralization
    By converting RWAs into verifiable NFTs, users can lock collateral on‑chain in seconds—no paperwork, no middlemen.

  • Automated, Trustless EMIs with Chainlink Automation
    Smart contracts schedule and deduct monthly payments directly from a user’s wallet using Chainlink Automation, eliminating manual transfers and further reducing default risk.

  • Permissionless Borrowing
    Anyone with an asset NFT can access stablecoin loans up to a dynamic Loan‑to‑Value (LTV) ratio—no credit checks or gatekeepers.

  • Live Market Data
    Integrated with the CoinGecko API, TangibleFi updates collateral valuations and LTVs in real time, empowering users with transparent, up‑to‑the‑minute insights.

  • Cross‑Chain Flexibility via Chainlink CCIP
    Borrowers choose their preferred EVM chain—Ethereum, Base, Avalanche, Arbitrum, and more—for both loan disbursement and automated EMI repayments, minimizing gas costs and maximizing composability with existing on‑chain holdings.

  • Multi‑Token Repayments
    Support for USDC, DAI, USDT and custom approved tokens gives users freedom to repay in the asset that makes the most sense for their portfolio.


Overall Project Summary

TangibleFi is an end‑to‑end onchain finance protocol that bridges tangible real‑world value with DeFi liquidity. It transforms traditional lending into a transparent, automated, and permissionless experience by:

  1. Tokenizing RWAs into NFTs, embedding ownership and asset metadata directly on the blockchain.
  2. Enabling instant collateralized borrowing of stablecoins, with dynamic LTV ratios and no centralized approvals.
  3. Automating repayment flows through Chainlink Automation–powered smart contracts, complete with reminders, grace periods, and liquidation safeguards.
  4. Providing live pricing and risk data via CoinGecko integration, so every loan decision is backed by accurate market intelligence.
  5. Unleashing cross‑chain interoperability using Chainlink CCIP, allowing users to manage loans and repayments on their chain of choice.

With TangibleFi, asset owners gain liquidity, sovereignty, and composability, while borrowers enjoy a streamlined, secure, and cost‑efficient way to unlock the value of their tangible assets—all fully on‑chain.

Full documentation here :
https://gamma.app/docs/TangibleFi-Protocol-Documentation-p9ndfrtjbaxz4mq?mode=doc

Challenges we ran into

Challenges We Ran Into

  1. Minting NFTs & Asset Verification

    • Barrier: Designing a trustless on‑chain representation of RWAs required both a robust minting process and reliable off‑chain verification. We evaluated existing tokenization protocols but ultimately decided not to adopt any one solution, opting instead for a custom NFT schema.
    • Resolution: Built an custom‑backed verification flow that ties each NFT to off‑chain documentation, leveraging Pinanta for decentralized data storage.
  2. Implementing Chainlink Automation for EMI Payments

    • Barrier: Integrating Chainlink’s Automation framework exposed multiple edge cases:

      • Handling retries when wallets had insufficient balance
      • Scheduling across variable month lengths
      • Race conditions between user‑initiated repayments and automated deductions
    • Resolution: Introduced pre‑emptive balance checks, normalized all schedules to UTC timestamps, and added idempotent retry logic. Rigorous unit tests validated each scenario.

  3. Enabling Cross‑Chain Functionality via Chainlink CCIP

    • Barrier: Extending our protocol to support cross‑chain loan disbursements and repayments meant grappling with:

      • Message delivery failures between chains
      • Token-wrapping/unwrapping edge cases
      • Gas‑fee optimization across multiple networks
    • Resolution: Integrated Chainlink CCIP handlers that include on‑chain fallbacks and slippage guards. Comprehensive end‑to‑end tests on Ethereum, Optimism, and Arbitrum ensured reliability.

  4. Contract Testing & Frontend Integration

    • Barrier: The most time‑consuming phase was end‑to‑end validation—deploying, upgrading, and interacting with smart contracts through our Next frontend uncovered numerous bugs in ABI mismatches, event parsing, and state synchronization. Even integrating Supabase caused severe errors in database methods.

    • Resolution: Spent three days on iterative debugging:

      • Added type‑safe contract bindings
      • Centralized event listeners in a single hook with error boundaries
      • Coordinated with the QA team to run multi‑network test scenarios
    • Outcome: All flows now operate smoothly in staging and mainnet‑fork environments.


Tracks Applied (3)

Onchain Finance

Onchain Finance — The Backbone of TangibleFi Implementation: Asset Tokenization: Real-world assets (like real esta...Read More

Cross-Chain Solutions

Cross-Chain Infrastructure — Powered by Chainlink CCIP TangibleFi is built with a focus on user flexibility and interop...Read More

Avalanche Track

We deployed our protocol’s CCIP token transfer logic on the Avalanche Fuji C-Chain. This module facilitates seamless mov...Read More
Avalanche

Avalanche

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