Bitcoin

Bitcoin is a new electronic payment system that removes the need for third party financial institutions. It speeds up transactions while reducing costs and minimizing the potential for fraud. The name “cryptocurrency” points to how it uses “cryptographic proof” to work, AKA a blockchain.

Bitcoin’s concept was first introduced in 2008 when a person going by the pseudonym Satoshi Nakamoto shared a white paper titled “Bitcoin: A Peer-to-Peer Electronic Cash System.” In January 2009, the Bitcoin blockchain was launched. 

A new electronic payment system called Bitcoin removes the need for third-party financial institutions. It speeds up transactions while reducing costs and fraud-risk. The name “cryptocurrency” points to how it uses “cryptographic proof” to work, AKA a blockchain.   

Bitcoin has a finite supply of 21 million, which is expected to be reached by the year 2140. Currently, 18.8 million are circulating in the market. Note that Bitcoin represents the concept of the network, while bitcoin (lower-case ‘b’) represents the currency.

Bitcoin is one of the most well-known cryptos as it was the first decentralized currency. 

Currently, BTC’s dominance is above 40%. Bitcoin Dominance is a measure of how much of the total market cap of crypto is made up of Bitcoin. Bitcoin’s influence in the crypto ecosystem could be vulnerable to competition as alternative coins grow in popularity and utility.

Bitcoin BTC$90,470.56 has experienced a sharp decline this month, accompanied by a drop in its dominance rate, the share of BTC's market cap relative to the total cryptocurrency market.

Bitcoin Dominance is Bleeding With Price, But Market Observers Say Altcoin Season is on Hold

A person who hacked the X accounts of famous people, including former President Barack Obama and Amazon founder Jeff Bezos, has been ordered to pay back the Bitcoin (CRYPTO: BTC) gained from the crime, prosecutors said Monday. Stolen Bitcoin To Be Recovered The England and Wales' Crown Prosecution Service said it has obtained a Civil Recovery Order to recover 42 Bitcoin and other cryptocurrencies that Joseph James O'Connor, a UK citizen, gained from the illegal act.

Elon Musk, Barack Obama X Account Hacker Ordered To Return $5.4 Million In Bitcoin Obtained In The Cyber Heist

El Salvador is doubling down on its bitcoin strategy during one of the sharpest sell-offs of the year, adding more than 1,000 BTC to its national BTC treasury.

El Salvador Buys 1,090 BTC as Prices Drop and IMF Pressure Mounts

The long-defunct Mt. Gox exchange initiated a significant bitcoin move on-chain Monday, transferring approximately 10,608 BTC, worth $950 million, to new wallet address, according to data from blockchain analytics firm Arkham Intelligence.

Mt. Gox Moves $956M Worth of BTC As Prices Tank

While the motive behind the bitcoin transfer remains unclear, such transactions have typically preceded repayments from the defunct exchange.

Mt. Gox moves $956 million worth of bitcoin to unmarked wallet address: Arkham

An influential cryptocurrency analyst predicted Monday when Bitcoin (CRYPTO: BTC) is likely to hit its bottom, even as the leading cryptocurrency crashed below $90,000. Another Year Of Bearish Pain?

Bitcoin Sinks Below $90,000: Popular Analyst Says This Is When BTC Will Reach Market Bottom

Bitcoin continued its downtrend on Monday night, falling under $90K for the first time in seven months as a bearish sentiment gets hold of the crypto market. Even with the recent downturn and the tailwinds the industry is facing, bulls keep being positive.

Bitcoin Dips Under $90K, but Bulls Are Still Unfazed

One analyst noted $80,000 as a critical threshold, where a break below could lead to lows of around $74,000 seen in February.

Bitcoin dips below $90,000, marking ‘significant' psychological break: analysts

Bitcoin slipped below $90,000 for the first time in seven months on Tuesday in the latest sign that investor appetite for risk-taking is drying up across financial markets.

Bitcoin drops below $90,000 in sign of souring mood

The 14-day relative strength index (RSI) — a widely followed measure of price momentum — has dipped below 30, signaling an oversold condition. This means BTC's ongoing slide has been sharp enough to invite a pause or a potential rebound.

What Next For Bitcoin as BTC RSI Flashes Oversold Signal?

El Salvador took advantage of the ongoing market correction, scooping up over 1000 Bitcoin (CRYPTO: BTC) in the last week for its reserves. El Salvador Buys The Dip President Nayib Bukele posted on X a screenshot from El Salvador's Bitcoin Office dashboard, showing 1,098 BTC, worth $99.34 million, bought in the last week.

Nayib Bukele Goes 'Hooah' As El Salvador Buys $98 Million Worth Of Bitcoin In A Day Amid Crypto Meltdown

Bitcoin's bear market outlook firms as 80% of key on-chain metrics flash red, with derivatives and options traders betting on more downside.

Two Technical Signals Hinting at a Bitcoin Bear Market

However, it is unclear whether El Salvador actually bought 1,090 BTC, as its deal with the IMF required the country to cease new purchases.

El Salvador discloses largest single-day BTC purchase of $100 million as bitcoin dips lower

Bitcoin plunged below $90,000 on Monday in Asian hours, extending a selloff that has now erased the entirety of its 2025 gains and pushed sentiment into one of its most depressed readings of the cycle. The drop to $89,420 — its lowest level since February — comes just six weeks after prices topped out at a record $126,250, marking a sharp reversal.

Bitcoin Crashes Under $90K as Death Cross Creates 'Extreme Fear' Sentiment

Bitcoin prices took a tumble on November 17, reaching their lowest point in over six months as market conditions deteriorated.

Bitcoin Plunges To Almost $90,000 As Market Conditions Weaken

Dogecoin

Ethereum

Leading cryptocurrencies declined alongside stocks on Monday amid a wave of sharp selling. Cryptocurrency Gains +/- Price (Recorded at 8:25 p.m.

Bitcoin, Ethereum, XRP, Dogecoin Plunge As 'Extreme Fear' Sentiment Intensifies: Despite 'Terrible' Market Environment, Analyst Says 'Not Selling'

Bitcoin Magazine Bitcoin Plunges Below $96K Support, Erasing 2025 Gains Amid Extreme Bearish Sentiment Bitcoin closed the week at $94,290, breaching the critical $96,000 support and wiping out all 2025 gains, as ETF outflows and macro fears drive extreme fear in the crypto market. Bitcoin Plunges Below $96K Support, Erasing 2025 Gains Amid Extreme Bearish Sentiment Ethan Greene - Feral Analysis and Juan Galt.

Bitcoin Plunges Below $96K Support, Erasing 2025 Gains Amid Extreme Bearish Sentiment

Welcome to Asia Morning Briefing, a daily summary of top stories during U.S. hours and an overview of market moves and analysis. For a detailed overview of U.S. markets, see CoinDesk's Crypto Daybook Americas.

Asia Morning Briefing: Even Prediction Markets Didn't See Bitcoin's Selloff Coming

Bitcoin dropped to its lowest level in six months. Ethereum dipped below $3,000, its lowest point since mid summer.

Bitcoin, Ethereum Dive Deeper Amid AI and Macro Angst

Hive Digital Technologies began rebounding Monday after an earnings win and Dell deal to power the Bitcoin miner's growing AI ambitions.

Bitcoin Miner Hive's Stock Rises After Record Q2 Revenue, AI Deal

In 2023, O'Connor, 26, pleaded guilty in the U.S. on multiple charges and was later sentenced to five years in prison.

Man behind Barack Obama and Jeff Bezos Twitter hacks to repay over $5 million in stolen bitcoin

KindlyMD shares dropped another 10% after missing its Q3 earnings deadline, with the company citing merger accounting complexity and warning of major losses ahead.

Bitcoin Treasury KindlyMD Extends Stock Collapse After Earnings Delay

Bitcoin Magazine Bitcoin Price Freefalls Down to $91,0000 and New Lows Bitcoin price has fallen nearly 30% from its early October peak near $126,000, trading in the $92,000–$95,000 range as investors weigh Fed uncertainty and missing economic data. Bitcoin Price Freefalls Down to $91,0000 and New Lows Micah Zimmerman.

Bitcoin Price Freefalls Down to $91,0000 and New Lows

“If you're going to be a bitcoin investor, you need a 4-year time horizon and you need to be prepared to handle the volatility in this market,” said Strategy Chairman Michael Saylor.

Bitcoin Is Floundering, but Saylor Is Digging in His Heels

Bitcoin and Ethereum have lost key levels, with the crypto downtrend accelerating on Monday. Cryptocurrency Ticker Price Bitcoin (CRYPTO: BTC) $91,746 Ethereum (CRYPTO: ETH) $2,984 Solana (CRYPTO: SOL) $129.8 XRP (CRYPTO: XRP) $2.12 Dogecoin (CRYPTO: DOGE) $0.1539 Shiba Inu (CRYPTO: SHIB) $0.058658 Notable Statistics: Coinglass data shows 140,927 traders were liquidated in the past 24 hours for $725.72 million.

News for Bitcoin Crypto (BTC)