Much has been written about the benefits of using blockchains for securing transactions in finance, healthcare, supply chain management and more, and some of these benefits are already being realized. But not nearly as much consideration has been given to use blockchains for records of personal transactions. That is, there is great potential for blockchains in certifying and securing the validity, time, and order of various life events, legal transactions, records of achievement, personal contracts, healthcare records, etc. In this article, the motivation for creating personal blockchains is presented. Then, various kinds of personal blockchain implementation possibilities, use cases, challenges, and solutions are briefly discussed. Personal blockchains offer many benefits but pose some challenges and create some concerns. The purpose of this article is to stimulate more discussion and research into these issues.

中文翻译：

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是时候认真考虑个人区块链了

关于使用区块链在金融、医疗保健、供应链管理等领域保护交易的好处已经写了很多，其中一些好处已经实现。但几乎没有考虑使用区块链来记录个人交易。也就是说，区块链在证明和保护各种生活事件、法律交易、成就记录、个人合同、医疗保健记录等的有效性、时间和秩序方面具有巨大的潜力。 本文中，创建个人区块链的动机被表达。然后，简要讨论了各种个人区块链实施的可能性、用例、挑战和解决方案。个人区块链提供了许多好处，但也带来了一些挑战和一些担忧。