According to a 2017 University of Washington report, there are hundreds of millions of smart-home devices in more than 40 million U.S. homes. This number is expected to double by 2021. Amazon Echo, ...

Blockchains are distributed (i.e., without a single repository) and decentralized digital ledgers that are tamper-evident and resistant. At their most basic level, they allow users to record ...

Blockchain is the core technology behind Bitcoin and thousands of cryptocurrencies and has promising potential beyond digital currencies. Many, or all, of the products featured on this page are from ...

Since time immemorial, technological innovations have shaped the structure of commerce and trade. The discovery of electricity encouraged mass production and the advent of steam engines ushered in an ...

Nathan Reiff has been writing expert articles and news about financial topics such as investing and trading, cryptocurrency, ETFs, and alternative investments on Investopedia since 2016. Erika Rasure ...