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## Prize Title
**Alethio API Freestyle**
## Challenge Description
Alethio is a comprehensive suite of blockchain exploration and analytics products for the Ethereum network. We've recently launched our [API](https://api.aleth.io/docs) as a direct way for developers to get real-time access to synthesised, indexed on-chain data in a robust and reliable way.
We're on a mission of making Ethereum more transparent and accessible to all, and through our API we're looking to support and accelerate the growth of a new wave of Ethereum-powered tools, products and services.
We want you to build awesome products that provide a useful service to the Ethereum community by making use of the Alethio API to handle enriched, aggregated on-chain data in ways that haven't been possible before.
## Submission Requirements
You are free to pick up any use case, framework or technology (command-line or web-based), as long as you're making use of the Alethio API and you believe that the end result can make a fellow Etherean's life a bit easier. Here are a few examples to kick off your imagination, but keep in mind that this list is neither authoritative nor exhaustive:
- **A minimal explorer for meta transactions**
*Given a Transaction hash, detect if it's a meta transaction and show its execution details in a user-friendly way*
Useful API features: `Transaction.contractMessages`, `ContractMessage.msgPayload`, `ContractMessage.logEntries`
- **A semantic account activity feed**
*Given an account address, display a chronological feed of activities in a user-friendly, readable way*
Useful API features: `Account.transactions`, `Account.contractMessages`, `Transaction.msgPayload`, `Transaction.logEntries`
- **A smart contract monitor**
*Given a contract address, display meaningful statistics and details on its historical activity*
Useful API features: `Contract.transactions`, `Contract.contractMessages`, `Contract.logEntries`, `LogEntry.eventDecoded`
- **An interactive account ether movement visualisation**
*Given an account address, display its ether movement from/to other accounts in a visually interactive way*
Useful API features: `Account.transactions`, `Account.contractMessages`
- **Anything we haven't thought of!**
## Submission Deadline
April 30, 2019
## Judging Criteria
Judges will consist of members of the Alethio team who will determine the 1st place and 2nd place winners based on the rules and guidelines of the Ethereal hackathon. The winners will be announced during the Ethereal conference.
## Judging Date
May 1 - May 9, 2019
**1st Place**: 800 DAI
**2nd Place**: 400 DAI
1. Register for a free developer account here: https://developers.aleth.io
2. Check out the Developer Docs here: https://api.aleth.io/docs
3. Start building!
Find us on our dedicated channel in the hackathon's [Discord](https://discord.gg/QkqdqU) or post your questions here.