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CryptoQuant CEO Ki Young Ju argued via X that Bitcoin may need to freeze millions of BTC, including those held by founder Satoshi Nakamoto and coins in older addresses, to counter the threat of quantum computing. He explained that approximately 6.89 million BTC are currently vulnerable to quantum attacks. Of these, 1.91 million have exposed public keys, while the remaining 4.98 million have had their public keys revealed in past transactions. Ju noted that the 3.4 million BTC that have been dormant for over 10 years present a strong incentive for attackers. He emphasized that social consensus could be more critical than a technical solution for Bitcoin to become quantum-resistant. Ju added that the key question is not when "Q-day"—the day quantum computing breaks BTC—will arrive, but that the discussion must begin now, as social consensus has always moved more slowly than technology.

BitMEX co-founder Arthur Hayes has diagnosed that Bitcoin could fall below $60,000 amid a widening decoupling from the Nasdaq 100 and shrinking global liquidity. In a blog post, Hayes noted that while Bitcoin has undergone a sharp correction since its all-time high, the Nasdaq 100 has remained relatively stable. He explained that some market participants see this as Bitcoin preemptively pricing in the risk of a dollar-based credit contraction, or credit deflation. If this credit deflation intensifies, the U.S. Federal Reserve (Fed) could initiate large-scale liquidity injections, potentially mirroring the monetary easing policies seen after the 2008 global financial crisis. Hayes outlined two possible scenarios. In the first, Bitcoin's correction is already complete, and the Nasdaq will fall independently to restore balance. In the second, a sharp drop in the Nasdaq could pull Bitcoin below $60,000 before a rebound fueled by the Fed's liquidity measures. He advised market participants to adopt a cautious approach by reducing excessive leverage and building up cash reserves.

The amount of staked Ethereum (ETH) has surpassed 50% of the total supply for the first time in the network's history, on-chain analytics firm Santiment reported. As of Feb. 16, 50.18% of all ETH was locked in staking contracts. Santiment noted that with staking participation on a continuous rise, the amount of staked ETH is likely to increase further if trading activity slows during a bear market. According to CoinMarketCap, ETH is currently trading at $2,018.24, up 3.14%.

According to CoinNess market monitoring, BTC has risen above $68,000. BTC is trading at $68,000 on the Binance USDT market.

Founders Fund, the venture capital firm led by PayPal co-founder Peter Thiel, has sold its entire stake in ETHZilla, a Nasdaq-listed company that invests in Ethereum (ETH), according to Watcher.Guru. The fund previously held a 5.6% stake in the company as of last November.

Memecoin launchpad Pump.fun (PUMP) announced through its official channels that it has revamped its memecoin reward mechanism and launched a cashback feature for traders. The feature is designed to return a portion of trading fees to traders.

BTC perp long/short ratios on top exchanges by open interest The following are the 24-hour long/short ratios for BTC perpetual futures on the world’s three largest crypto futures exchanges by open interest: Overall: 49.3% long, 50.7% short - Binance: 49.03% long, 50.97% short - OKX: 48.98% long, 51.02% short - Bybit: 49.67% long, 50.33% short

Digital asset manager Grayscale announced on X that its Grayscale SUI Staking ETF (GSUI) will begin trading on NYSE Arca on Feb. 19.

U.S. spot Bitcoin ETFs recorded a total net outflow of $104.99 million on Feb. 17, according to data compiled by Trader T. The shift marks a return to net outflows after just one trading day of net inflows. - BlackRock's IBIT: -$119.8 million - Fidelity's FBTC: +$5.89 million - Bitwise's BITB: -$10.29 million - Ark Invest's ARKB: -$8.31 million - Grayscale's GBTC: -$8.45 million - Grayscale's Mini BTC: +$35.97 million

U.S. spot Ethereum ETFs recorded net inflows of $48.61 million on Feb. 17, marking the second consecutive day of positive flows, according to data compiled by Trader T. - BlackRock ETHA: +$22.88 million - Fidelity FETH: +$14.41 million - Grayscale Mini ETH: +$11.32 million

BitMEX co-founder Arthur Hayes deposited 1,000 ETH, worth $1.99 million, to Bybit yesterday, Lookonchain reported. Deposits to exchanges are generally interpreted as a potential precursor to selling, while withdrawals suggest an intent to hold. However, an exchange deposit does not necessarily lead to a sale.

The following shows estimated liquidation volumes and position ratios for major crypto perpetual futures over the past 24 hours: - BTC: $73.33 million liquidated (73.63% longs) - ETH: $46.79 million liquidated (64.52% longs) - SOL: $8.05 million liquidated (75.37% longs)

Bithumb has announced that it will temporarily suspend deposits and withdrawals for Xion (XION) starting at 9:00 a.m. UTC on Feb. 18 to support the network's mainnet upgrade.

A wallet allocated to the Trump meme team has transferred approximately 9 million TRUMP to a BitGo custody wallet, Onchain Lens reported. The transfer is valued at around $31.45 million.

According to CoinNess market monitoring, BTC has fallen below $67,000. BTC is trading at $66,993 on the Binance USDT market.

The U.S. Ninth Circuit Court of Appeals has denied an emergency administrative request from Kalshi to halt an enforcement action by the state of Nevada, Decrypt reported. Nevada is now free to file a civil lawsuit and seek a temporary restraining order (TRO), which would require Kalshi to immediately cease its operations within the state. Nevada maintains that Kalshi's event-based contracts, particularly those related to sports, constitute illegal sports betting and gambling, which fall under the state's jurisdiction.

World Liberty Financial withdrew 313.31 million WLFI, worth $33.76 million, from Binance over the past 11 hours, Onchain Lens reported. Withdrawals from exchanges are typically interpreted as a sign of intent to hold.

CoinMarketCap's Altcoin Season Index has reached 35, an increase of six points from yesterday. The index is calculated by comparing the price performance of the top 100 coins by market capitalization, excluding stablecoins and wrapped coins, against that of Bitcoin over the past 90 days. An altcoin season is declared when 75% of these top coins outperform Bitcoin during this period. A score closer to 100 indicates an altcoin season, while the opposite is considered a Bitcoin season.

An address associated with K3 Capital has purchased 20,000 ETH, valued at $40.08 million, from Binance, according to Onchain Lens.

The Crypto Fear & Greed Index from data provider Alternative has dropped two points from yesterday to 8, keeping the market in a state of extreme fear. The index measures sentiment on a scale of 0 to 100, where 0 indicates extreme fear and 100 represents extreme optimism. The score is calculated based on volatility (25%), trading volume (25%), social media mentions (15%), surveys (15%), Bitcoin's market cap dominance (10%), and Google search volume (10%).

Whale Alert reported that 250 million USDC has been minted at the USDC Treasury.

BlackRock and Coinbase will take an 18% fee on the staking revenue generated by BlackRock's upcoming Ethereum staking ETF (ETHB), DL News reported. To handle investor redemption requests at any time, BlackRock plans to stake only 70% to 95% of the Ethereum held by the ETF. CoinNess previously reported that BlackRock had submitted a revised S-1 filing setting the management fee for its iShares Ethereum Staking ETF at 0.25%.

Dutch payment company Quantoz Payments has become a principal member of Visa to issue stablecoin-linked debit cards, Cointelegraph reported. This allows Quantoz to issue Visa-branded virtual cards based on its stablecoins, USDQ, EURQ, and EURD. The company can also now act as a Bank Identification Number (BIN) sponsor, helping other fintech firms embed card issuance features directly into their platforms. This will enable numerous small and medium-sized fintech companies in Europe to launch stablecoin payment services without complex licensing procedures.

Elemental Royalty, a publicly listed gold royalty company, plans to pay dividends in Tether Gold (XAUT), CoinDesk reported. The move follows Tether's acquisition of a one-third stake in Elemental last year. Instead of taking on the risks of operating mines directly, Elemental Royalty provides capital to mine operators in exchange for a percentage of their revenue.

Bitwise has applied for a prediction market-based ETF, according to Bloomberg ETF analyst James Seyffart. The brand name for the product is PredictionShares.