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The legal status of cryptocurrencies varies substantially from one jurisdiction to another, and is still undefined or changing in many of them. [1] Whereas, in the majority of countries the usage of cryptocurrency isn't in itself illegal, its status and usability as a means of payment (or a commodity) varies, with differing regulatory implications.
On May 7, 2019, hackers stole over 7000 Bitcoins from the Binance Cryptocurrency Exchange, at a value of over 40 million US dollars. Binance CEO Zhao Changpeng stated: "The hackers used a variety of techniques, including phishing, viruses, and other attacks...
Tether (often referred to by its currency codes, USD₮ and USDT, among others) is a cryptocurrency stablecoin launched by Tether Limited Inc. in 2014. [ 3 ] [ 4 ] As of August 1, 2024, Tether reported having $118.4 billion in reserves, including $5.3 billion in excess reserves.
On March 29, 2021, Visa announced its support for USDC, enabling the cryptocurrency to be used for selling transactions within its payment network. [ 10 ] In July 2022, Circle reported that the circulation of USDC had reached $55 billion.
USDT Jan Ludovicus van der Velde [57] Omnicore [58] PoW: Tether claims to be backed by USD at a 1 to 1 ratio. The company has been unable to produce promised audits. [59] 2016 Firo: FIRO Poramin Insom [60] Merkle tree Proof [61] C++ [62] PoW: The first financial system employing Zero-knowledge proof to protect users' privacy. [60]
Terra is a blockchain that leverages fiat-pegged stablecoins to power a payment system. For consensus, the Terra blockchain uses a proof-of-stake codesign. [4] Several stablecoins are built atop the Terra protocol, [4] including TerraUSD, which was the third largest stablecoin by market capitalisation before its collapse in May 2022. [5]
In April 2019, Binance launched Binance Smart Chain, which has smart contract functionality and is an Ethereum competitor. In February 2018, Forbes placed him third on their list of "The Richest People In Cryptocurrency," with an estimated net worth of $1.1-2 billion. [14] [16] In 2019, Zhao launched Binance's U.S. affiliate, Binance.US. [17]
In finance, a perpetual futures contract, also known as a perpetual swap, is an agreement to non-optionally buy or sell an asset at an unspecified point in the future. . Perpetual futures are cash-settled, and they differ from regular futures in that they lack a pre-specified delivery date and can thus be held indefinitely without the need to roll over contracts as they approach expi