加拿大政府使用区块链技术公开政府开支，https://explorecatena.com/ 该网站使用以太坊及其智能合约技术，来记录和公开政府费用支付，便于纳税人查询和监督，是一个非常好的区块链应用实例。

Browse Government Spending

secured on a blockchain

Canadian Government has put their daily spending details on the above blockchain based on Ethereum and Smart Contract technologies, which is one of the excellent samples of Dapps. Taxpayers could easily access detail information on how the government spend their money