Time-locked encryption vault with Dead Man's Switch. Send encrypted messages that unlock at a specific date or auto-release if you go silent. AES-256, split-key crypto, ephemeral seals. Perfect for crypto inheritance, whistleblowing, scheduled releases. Self-hostable.

A time-lock puzzle generator.

Encrypt files & Hide encrypted data

TimeCipher is a blockchain-based time-locked messaging system that securely encrypts messages with a timestamp, ensuring they can only be decrypted after the specified time. This innovative solution combines privacy and delayed access, perfect for secure future communication.

Set Android device Lock Times, Limit Usage, Monitor Device Usage and Screen time

An implementation of time-lock puzzle, a decryption algorithm which prevents decryption of data until a certain amount of time passes

Securely share encrypted text that can only be decrypted after a certain time

Time-locked encryption API

A simple Solidity smart contract library for building ERC20 time-lock vaults

Two Track Winner of Human DeFi Hackathon 2020. Convergent and Coherent Time Value Tokens Powered by Aeternity Protocol Non Fungible Token Implementation with a Hash Time Locked Contracts (HTLC) construct.

Time-Lock Puzzle schemes implemented in Go and compiled to WebAssembly

TimeCapsule is a Solidity smart contract that enables users to store time-locked messages on the Ethereum blockchain. Create messages that can only be revealed after a specified time period, perfect for digital time capsules, future messages, or scheduled information releases.

Node.js server implementation of the Time-Lock service provider based on decentralized systems

OpenAPI v3.1 Specification of Federated Time-Lock Encryption

A lightweight library that lets developers store values that are only retrievable after a specified time. It acts like a “sealed envelope” or “time capsule” for objects, configs, or state.

Implementation of the Verifiable Timed Commitment scheme

Implementation of the schemes described in the Homomorphic Signature-based Witness Encryption paper

Secure Secret Sharing and Time-Lock App

Full-stack blockchain platform for digital assurance (Notary, Credentials, Legacy Pact).

Implementation of the Linearly-Homomorphic Time-Lock Puzzle scheme