“Quadriga’s inventory of cryptocurrency has become unavailable and some of it may be lost," the founder's widow said in documents obtained by CoinDesk.

A man spent millions on an enormous plot of land near Reno. Now he wants to build a community based on the blockchain technology introduced by Bitcoin.

Volatility of payment settlement group’s cryptocurrency poses questions

An analysis of internal pay data at the San Francisco company Coinbase shows disparities that were much larger than those in the tech industry.

Coinbase, the most valuable U.S. cryptocurrency company, has faced many internal complaints about discriminatory treatment.

Following Goldman Sachs’s moves to begin trading Bitcoin, the New York Stock Exchange’s parent company is said to be in talks to open a virtual currency exchange.

The crazy cousin of traditional currencies, which fell below $4,000 in March, passed $19,783. More investors now are buying it for the long term.

Regulators are believed to have demanded information from as many as 80 people and companies associated with virtual currencies.

A look at some of the people who have helped shape the cryptocurrency landscape.

A co-founder of Ripple, a virtual currency, could briefly lay claim to being the world’s fifth richest person on Thursday, bypassing Mark Zuckerberg, as the Bitcoin boom widened.

The social media company said it had signed 27 partners to its Libra project. But executives at some of those companies said they were approaching it warily.

On some days, Bitfinex claims to be doing more trades than some stock exchanges. But it has lost millions in two hackings and has no government oversight.

When the price of Bitcoin goes down, activity on an influential exchange pumps it back up. That has investors and regulators asking questions.

Charlie Shrem went to prison in 2015 after he pleaded guilty to helping people buy drugs online. Now he’s being sued by the Winklevoss twins.

The giant retailer will begin requiring lettuce and spinach suppliers to contribute to a blockchain database that can rapidly pinpoint contamination.

From New York University to Berkeley, Bitcoin has set off a dash to understand the technology and economic risks of virtual currency.

PayPal will stop processing all payments for the conspiracy website, its online store and its subsidiaries.

Gabriel Jiménez hated the Venezuelan strongman Nicolás Maduro. But he loved cryptocurrency. When he built the regime a digital coin, he nearly paid with his life.

Opinion: Cryptocurrencies are useless. Blockchain solutions are frequently much worse than the systems they replace. Here's why.

Hackers draining online exchanges. Ponzi schemes. Regulators unable to keep up with heightened interest in virtual currencies. A young industry’s problems have become clearer in recent weeks.

A Massachusetts man who goes by “Roaring Kitty” on social media helped fuel the frenzy around GameStop. His $53,000 investment in the company briefly reached $48 million in value.

Some think the technology that was introduced with Bitcoin has enormous potential. That has a number of countries looking to influence its future.

Bitmain is going public in China. The IPO might make it one of the most valuable startups, cryptocurrency or not, to ever debut on the public markets.

Even as cryptocurrency prices have plunged, several big tech companies are working on their own digital tokens for use in text messaging systems.

Several people involved in the events that took down Twitter this week spoke with The Times, giving the first account of what happened as a pursuit of Bitcoin spun out of control.

A crypto-tech-focused company buys a large tract of land in Northern Nevada, signaling potential growth in the region. Read more about it here.

A group led by the venture capital firm Andreessen Horowitz is proposing that some virtual currencies not be regulated as securities.

Its users buy and sell the riskiest financial products and do so more frequently than customers at other retail brokerage firms, but their inexperience can lead to staggering losses.

High fees and low interest rates have provided an opening for a new generation of finance start-ups to compete with the big banks.

From New York University to Berkeley, Bitcoin has set off a dash to understand the technology and economic risks of virtual currency.

Joseph Grundfest, now a law professor, called funding efforts using virtual currency the most “notorious violation of federal securities laws since the Code of Hammurabi.”

Investors have lifted Bitcoin past $13,000, likening it to gold as a place to store money. Early followers who hoped for a faster, cheaper way to pay for things are looking elsewhere.

Bruce Friedrich spent decades trying to persuade people to stop eating meat. When that didn’t work, he turned his focus to creating better alternatives.

Susquehanna International Group, one of the biggest trading companies, is opening cryptocurrency trading to clients.

Coinbase has closed what is likely the largest-ever funding round by a startup building on a public blockchain and providing cryptocurrency services.

The no-fee trading app, which is popular with young investors, has been strained by the high volume of trading this week in stocks such as GameStop.

Terrorists are using bitcoin, but they aren't the only ones. Here's the real story about bitcoin usage in Palestine.

Bitcoin and other virtual currencies are booming around the world. In South Korea, regular investors are leading the way for the global frenzy.

The virtual currency’s price reached a new threshold, leaving critics and enthusiasts alike stunned by its soaring value.

The appointment of Ms. Loeffler, a politically untested businesswoman, pits Gov. Brian Kemp against President Trump and his allies, who had lobbied for a different candidate.

A single bug hunter is vastly improving the EOS blockchain system -- and cashing in at the same time.