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With the world championships of football on the way and the Tour de France coming up, we’re right in the middle of the sports pool season. As there seems to be a blockchain variant of about anything, we decided to build the Blockchain Tourpool.

The advantages of having a sports pool in the blockchain, is that you don’t have to rely on any central authority that can be subjective. Also the risk of a security breach is low and you don’t have to worry about leaving your personal info, because only your wallet public address is used. Of course the main aim of this web page was to learn how to do it and show an interesting application of blockchain technology and the services we are able to provide as diip Blockchain.

Basically we created a competition that you can enter without paying any subscription or contribution to the pool, but it will still allow you to win the prize money of 1 Ethereum. With an Ethereum wallet you can enter and you only have to pay some Gas fees (normally around € 0,50) to be able to select your favorite team of 8 riders. When you’ve selected them, you commit them to the Ethereum Blockchain and the smart contracts will automatically handle it from there.

Scores from the official Tour de France website are uploaded daily and based on that points are automatically awarded to wallet holders according to a scoring table. During the Tour, you’ll be able to see the top 10 wallet addresses and their score, so you can see how well you’re doing. After the last stage, the winner will be calculated and the smart contract will transfer 1 Ethereum to the winning wallet holder!

So, if you want a chance to win 1 Ethereum and think you have some Tour de France expertise, head over to the Blockchain Tourpool website! If you want to know how (and why) we built a Tour de France pool in the blockchain, read it in the Medium post.