BuidlGuidl.eth
@buidlguidl
Building products, tools, and tutorials for the Ethereum ecosystem.
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가입 November 2021
263 팔로잉 중 6.9K 팬
Challenge 1: Crowdfunding.
The exercise:
• Write a campaign contract with a goal and a deadline
• Funders pay in, the contract holds ETH
• On success: creator withdraws
• On failure: funders get a refund
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