Bitcoin is based on extremely safe SHA-256 cryptography created by the National Security Agency of the U.S., and the bitcoin protocol includes many features protecting it against various vectors of attack, including:
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However, while Nakamoto was the original inventor of Bitcoin, as well as the author of its very first implementation, he handed the network alert key and control of the code repository to Gavin Andresen, who later became lead developer at the Bitcoin Foundation. Over the years a large number of people have contributed to improving the cryptocurrency’s software by patching vulnerabilities and adding new features.
Its Bitcoin holdings are the third-largest among public companies, trailing only Strategy, formerly MicroStrategy and Bitcoin mining firm MARA Holdings at 568,840 Bitcoin and 48,237 Bitcoin, respectively.

Its Bitcoin holdings are the third-largest among public companies, trailing only Strategy, formerly MicroStrategy and Bitcoin mining firm MARA Holdings at 568,840 Bitcoin and 48,237 Bitcoin, respectively.
VanEck joins a burgeoning field of traditional financial firms that have launched RWA tokenized funds, with competitors including BlackRock and Franklin Templeton. In January, Apollo, an investment firm with $751 billion in assets under management, also launched a private credit tokenized fund.
That decision followed her veto of Senate Bill 1025 — the more ambitious “Arizona Strategic Bitcoin Reserve Act” — on May 3. It would have authorized up to 10% of the state’s treasury and retirement funds to be invested in Bitcoin and other digital assets.
Investment firm VanEck is launching a tokenized real-world asset (RWA) fund that offers exposure to US Treasury bills, developed in partnership with tokenization platform Securitize. The initiative places VanEck among a growing number of traditional finance firms entering the RWA tokenization space.
Stablecoin issuer Tether bought $458.7 million worth of Bitcoin for Twenty One Capital on May 13, a Bitcoin investment firm it backed that’s working on a Special Purpose Acquisition Company (SPAC) merger with Cantor Equity Partners.
A memecoin is a type of cryptocurrency that is typically launched on the back of a popular internet meme or recurring joke. Welch is not named as a defendant in the case, which was launched in federal court in the eastern district of New York.
“All my comments, if you read those, people are like, ‘Oh, well, I lost a lot of money in this. Now my kids have to go without stuff.’ I don’t know. It makes me feel, like, really sorry for it,” Welch explained.
The dramatic collapse prompted investors to file a class-action lawsuit against those behind the project. The lawsuit targets OverHere Ltd (the company behind $HAWK), its founder Clinton So, an influencer named Alex Larson Schultz (known as “Doc Hollywood”), and the “Tuah the Moon Foundation.”
It addressed investors of Welch’s coin in another post, writing: “If you lost money on $HAWK, contact our firm to learn about your legal rights. Our firm represents thousands of nft and token investors in securities matters. “
Although cryptocurrency is defined as a form of “digital currency”—implying it’s a kind of money—most businesses and consumers have not adopted it as a common medium of exchange. In other words, most stores will not accept crypto as a form of payment.
Cryptocurrency makes legal enforcement against extremist groups more complicated, which consequently strengthens them. White supremacist Richard Spencer went as far as to declare bitcoin the “currency of the alt-right”.
In April 2024, TVNZ’s 1News reported that the Cook Islands government was proposing legislation that would allow “recovery agents” to use various means including hacking to investigate or find cryptocurrency that may have been used for illegal means or is the “proceeds of crime.” The Tainted Cryptocurrency Recovery Bill was drafted by two lawyers hired by US-based debt collection company Drumcliffe. The proposed legislation was criticised by Cook Islands Crown Law’s deputy solicitor general David Greig, who described it as “flawed” and said that some provisions were “clearly unconstitutional”. The Cook Islands Financial Services Development Authority described Drumcliffe’s involvement as a conflict of interest.
Physical cryptocurrency coins have been made as promotional items and some have become collectibles. Some of these have a private key embedded in them to access crypto worth a few dollars. There have also been attempts to issue bitcoin “bank notes”.
The remittance economy is testing one of cryptocurrency’s most prominent use cases. Cryptocurrencies such as Bitcoin serve as intermediate currencies to streamline money transfers across borders. Thus, a fiat currency is converted to Bitcoin (or another cryptocurrency), transferred across borders, and subsequently converted to the destination fiat currency without third-party involvement.