ChronoBond
ChronoBond solves liquid staking's "time-blind" flaw. Stake FLOW to mint unique NFT Bonds with fixed yields and maturity dates. This creates Flow's first native bond market to trade fixed-income asset
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描述
Project Description:
ChronoBond is a decentralized fixed-yield bond protocol built on Flow, designed to solve the core problems of modern DeFi: variable rates, manual yield harvesting, and reliance on external keepers. We provide a true "set it and forget it" fixed-income experience, 100% on-chain.
Users can mint a ChronoBond NFT, which represents a fixed-yield, fixed-term bond. This bond guarantees a predictable return, removing the volatility of variable APYs.
Core Functionality:
Fixed-Yield Rates: Know your exact returns upfront.
Multi-Token Mint/Redeem: Mint a bond with USDC; redeem your mature bond back to USDC. All in one transaction.
Tradeable NFT Bonds: Each bond is a unique NFT, allowing for a liquid secondary marketplace to trade fixed-income positions.
Zero External Dependencies: No keepers, no oracles, no centralized backends. Everything runs 100% on the Flow blockchain.
Future Vision: The Yield Stripping Revolution
This protocol is the foundation for a true fixed-income derivatives market on Flow. Post-hackathon, we will build a second-layer protocol to "strip" ChronoBonds into two new, fully-tradable fungible tokens:
Principal Token (cPT): A zero-coupon bond representing the right to the underlying principal at maturity.
Yield Token (cYT): An interest-only strip representing the right to all accrued yield.
This will unlock sophisticated, Pendle-like strategies for institutional and retail users, all built on the secure, composable foundation of ChronoBond.
本次黑客松进展
During this hackathon, we integrated two of Flow's most powerful new features to build a next-generation DeFi primitive. First, we leveraged Flow's native Scheduled Transactions to create a 100% on-chain, trustless auto-compounding mechanism. Users can set their bonds to automatically reinvest upon maturity, allowing the protocol to roll over the entire principal and earned yield into a new bond without any user intervention or centralized bots. Second, we implemented the full Flow Forte Actions standard, transforming ChronoBond into a composable "money lego." Our ChronoBondStakingSink contract can accept deposits from any protocol, enabling users to mint a FLOW-backed bond using any token (like USDC) in a single, atomic transaction. This also allows any DEX, wallet, or yield aggregator to integrate ChronoBond as a fixed-yield strategy with one simple Action call.
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