Cryptocurrency
On 15 September 2022, the world’s second largest cryptocurrency at that time, Ethereum, transitioned its consensus mechanism from proof-of-work (PoW) to proof-of-stake (PoS) in an upgrade process known as “the Merge”. https://facebookanswerman.com/ According to the Ethereum Founder, the upgrade would cut both Ethereum’s energy use and carbon-dioxide emissions by 99.9%.
Stablecoins are cryptocurrencies designed to maintain a stable level of purchasing power. Notably, these designs are not foolproof, as a number of stablecoins have crashed or lost their peg. For example, on 11 May 2022, Terra’s stablecoin UST fell from $1 to 26 cents. The subsequent failure of Terraform Labs resulted in the loss of nearly $40B invested in the Terra and Luna coins. In September 2022, South Korean prosecutors requested the issuance of an Interpol Red Notice against the company’s founder, Do Kwon. In Hong Kong, the expected regulatory framework for stablecoins in 2023/24 is being shaped and includes a few considerations.
Numerous companies developed dedicated crypto-mining accelerator chips, capable of price-performance far higher than that of CPU or GPU mining. At one point, Intel marketed its own brand of crypto accelerator chip, named Blockscale.
Elon musk cryptocurrency
The huge crypto price surge has seen the combined bitcoin, ethereum, XRP, solana, dogecoin and crypto market rocket back toward its previous all time high of almost $3 trillion over the last year, sparking a wave of bullish predictions.
Musk’s crypto tweets aren’t isolated to bitcoin. The SpaceX CEO also sent dogecoin prices up 30 percent in May after tweeting that he was working with dogecoin developers to improve the currency’s efficiency. A similar tweet later in May also caused dogecoin prices to rise. Earlier in the month, SpaceX said it would accept the meme-inspired coin as payment for sending payload trips to the moon. The company also said it would be sending a 40-kilogram cube satellite named DOGE-1 to the moon. SpaceX executive Tom Ochinero said the satellite “will demonstrate the application of cryptocurrency beyond Earth orbit and set the foundation for interplanetary commerce.”
Now, as even JPMorgan’s bitcoin-skeptic chief executive Jamie Dimon begins to warm up to bitcoin, Elon Musk has teased the possibility of buying Tesla cars with his favorite meme-based bitcoin rival dogecoin—declaring “dogecoin to the moon” despite revealing what he thinks is the “true currency” last month.
The bitcoin price has rocketed to over $73,000 per bitcoin, pushing up the wider ethereum, XRP XRP , solana, dogecoin and crypto market, amid speculation Wall Street giant BlackRock could be quietly eyeing a $90 trillion earthquake.
Musk is far from the only person to move the crypto market for no apparent reason other than making an endorsement. A sizable portion of the industry from meme coins to NFTs has proven to be highly responsive to celebrity shilling.
Cryptocurrency wallets
Physical wallets can also take the form of metal token coins with a private key accessible under a security hologram in a recess struck on the reverse side. : 38 The security hologram self-destructs when removed from the token, showing that the private key has been accessed. Originally, these tokens were struck in brass and other base metals, but later used precious metals as bitcoin grew in value and popularity. : 80 Coins with stored face value as high as ₿1,000 have been struck in gold. : 102–104 The British Museum’s coin collection includes four specimens from the earliest series : 83 of funded bitcoin tokens; one is currently on display in the museum’s money gallery. In 2013, a Utah manufacturer of these tokens was ordered by the Financial Crimes Enforcement Network (FinCEN) to register as a money services business before producing any more funded bitcoin tokens. : 80
Wallet software is targeted by hackers because of the lucrative potential for stealing bitcoins. “Cold storage” simply means keeping the private keys out of reach of hackers by storing or generating them on a device that is not connected to the internet. : ch. 4 : 39 The credentials necessary to spend bitcoins can be stored offline in a number of different ways, from simple paper printouts of private keys, to specialized hardware wallets. : ch. 10
Owning a cryptocurrency wallet means you have full control over your assets. Unlike keeping funds on an exchange, which can be subject to hacks and shutdowns, a wallet allows you to manage your cryptocurrency independently.
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Digital wallets can be dedicated to a single cryptocurrency (examples: Bitcoin, Etherium, Ripple, Litecoin), or they can be multi-currency (Coinomi, CoinSpot, CoinVault, Cryptonator multi-cryptocurrency wallet, Exodus, Gatehub, Holy Transaction, Jaxx Wallet, UberPay Wallet, AnCrypto Wallet, Klever Wallet.
In hot wallets, private keys are stored and encrypted on the app itself, which is kept online. Using a hot wallet can be risky since computer networks have hidden vulnerabilities that can be targeted by hackers or malware programmes to break into the system. Keeping large amounts of cryptocurrency in a hot wallet is a fundamentally poor security practise, but the risks can be mitigated by using a hot wallet with stronger encryption, or by using devices that store private keys in a secure enclave.
