0.04 ETH


Remaining Balance
0.08 ETH


Apprentio Workshop - Hack Your First Smart Contract

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Open only to students of the Apprentio workshop (but anyone can play with the contract!). Use MetaMask and Etherscan to win the "Race to the Number". Be the 25th transaction and win all of the (testnet) Ether in the pot, then submit proof of your victory to fulfill this bounty and win the real deal.

To play:

  1. Follow the link below to the contract address on Etherscan
  2. Switch your MetaMask network to "Rinkeby"
  3. Click the "Write Contract" tab
  4. Connect your MetaMask account and start playing!
    Password: apprentio rules!

Definition of Done

  • Contract reaches callsToWin and pays out the balance to your address
  • Proof of the victory is provided in the form of a Rinkeby transaction hash


A correct submission will:

  • Include a hash of the winning transaction on the Rinkeby test network
  • Be submitted from an Apprentio Workshop student address
  • Be one of the first 3 correct submissions

Contract found at: https://rinkeby.etherscan.io/address/0x02fA3d4Dd0989909CedE99c250181f0d9717ED57

Only 3 successful bounties will be approved, but you can play the game as many times as you want.