Exercise: Simple Solidity Smart Contract for Ethereum Blockchain

However, instead of rewarding all clients that enroll like the original example, which means that the bank contract should hold all that Ether beforehand for the rewards, it only rewards the 3 first clients with 10 ether each. This way it can opperate without the problem of running out of Ether for the rewards.

Link: Exercise: Simple Solidity Smart Contract for Ethereum Blockchain
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