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Libretto is an innovative on-chain deposit fund that ensures long-term commitment through its immutable unlock date. Once funded, only the owner can withdraw the entire balance after the specified period, making it a secure way to save for the future. Anyone can contribute, empowering a community-focused approach to investment.
Libretto is a smart contract designed to function as an on-chain deposit fund, promoting owner commitment over a predetermined duration. Drawing inspiration from the Italian tradition of establishing a "libretto" (a savings account) for newborns, where funds are deposited to be accessed upon reaching adulthood, Libretto operates similarly but implements these rules entirely on-chain.
If a user deposits 1 ETH today and sets an unlock date of 20 years, the funds can only be withdrawn in 2046. This feature ensures a long-term commitment to the investment while keeping it fully integrated on the blockchain.
| Feature | Description |
|---|---|
| Immutable unlock date | Set at deployment; cannot be modified |
| Owner-only withdrawals | Exclusively accessible by the contract deployer |
| Full-balance payout | Withdrawals release the entire deposit |
| Public deposits | Open for anyone to contribute at any time |
| On-chain enforcement | Rules are fully governed by the Ethereum blockchain |
The contract enforces commitment automatically. Note that if the owner loses access to their key, recovery of the funds will not be possible.
Utilization of this contract is at the user's own risk. Funds will remain locked until the specified unlock date. It is imperative to verify addresses and unlock durations thoroughly prior to depositing.
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