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Need a detailed proposal for implementing a validator on the Casper testnet. The proposal focuses on the four sections detailed below. Each section should include a strategy description, rationale and expected hours of work to implement. Feel free to reference and use existing open-source resources from the Ethereum Foundation or other repositories.
>Signature Validation Contract - describe various signature options available along with your recommendation
>Voting Manager - propose an existing or modified validator implementation script capable of forming votes and transmitting to the network
>AWS Configuration - recommend instance type and other configuration advice (operating system, admin rights etc)
>Security - identify main private key threats, propose redundancy plan, avoid validator downtime and slashing conditions
$250 - First Place
$75 - for any suggestions that are added to the first place proposal
The First Place winner will be offered a bounty to implement their proposal on a Casper testnet
Please reach out with any questions