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Coldcard hardware wallet maker Coinkite and its executives are facing a class-action lawsuit in Ontario, Canada, after the company’s August security incident, ODaily reported. The plaintiffs claim Coinkite had been exposed to risks since March 2021 by using a predictable random number generator. They are seeking damages, alleging violations of consumer protection and sale-of-goods laws, as well as negligence and breach of contract. The amount sought was not disclosed.

Mojo announced the release of its iOS app, "MOJO: Agent OS," on Apple’s App Store. Users can enter trading ideas on an iPhone to create AI agents, review and approve trading plans, and check execution records in the app. The app is available in 117 countries and regions worldwide. Existing TestFlight beta users can delete the beta app, install the official version 1.0.3 or later, and log in using their existing method to access their accounts, assets, trading history, and memberships. New iOS subscriptions are processed through Apple’s in-app payment system.

On-chain analyst Murphy said on X that $83,000 is a key inflection point that could determine BTC’s next price direction. According to a Glassnode chart Murphy shared, around 921,000 BTC had their last on-chain movement near the $83,000 level as of today. Murphy said when BTC fell below $83,000 on Oct. 8, the $79,000-$82,000 range had previously seen relatively light trading volume, so Murphy expected BTC to spend time in that band as trading activity increased. Murphy added that on-chain movement later picked up in that range, leading to a concentration of supply there. With BTC no longer falling further, Murphy said a renewed rise is possible, and a new trend will likely form depending on whether buying or selling pressure gains the upper hand at $83,000. Murphy added that the supply clustered near $83,000 includes 550,000 BTC generated during a past Coinbase wallet reorganization, and Murphy estimated only 100,000 to 200,000 BTC of that amount remains.

Gemini co-founders Cameron Winklevoss and Tyler Winklevoss see ZEC as potentially rising above $5,000 over the next five to 10 years, BlockBeats reported. In a recent interview, the brothers said Bitcoin uses a blockchain structure in which all transaction records are public, providing transparency and verifiability but limiting privacy features, while Zcash supports private transaction data and could complement Bitcoin by addressing that limitation.

U.S. spot Ethereum ETFs recorded a net inflow of $14.9 million on Oct. 21, reversing course after five straight trading days of net outflows, according to Farside Investors. - BlackRock ETHA: -$29.3 million - Fidelity FETH: +$13.0 million - Bitwise ETHW: +$0.9 million - Franklin EZET: +$0.9 million - Morgan Stanley MSSE: +$1.3 million - Grayscale ETH: +$28.1 million

U.S. spot BTC ETFs recorded a net inflow of $528.4 million on Oct. 21, marking a third straight trading day of net inflows, according to SoSoValue. - BlackRock IBIT: +$234.99 million - Fidelity FBTC: +$212.71 million - Grayscale GBTC: +$32.59 million - Grayscale Mini BTC: +$8.21 million - Bitwise BITB: +$19.23 million - ARK Investment ARKB: +$9.79 million - Franklin EZBC: +$7.31 million - Valkyrie BRRR: +$3.57 million

Dragonfly Capital Managing Partner Haseeb Qureshi said on X that on-chain hacking has recently surged, with losses concentrated mainly at smaller protocols with weaker security. Qureshi said cryptocurrency became a target for attacks earlier than other internet services because it is one of the easiest sectors for cybercriminals to extract financial gains from. Large protocols are strengthening security with AI tools, while smaller protocols are coming under repeated attack, Qureshi added. He said the number of hacks has jumped sharply, but total losses this year are rising at a pace similar to last year, meaning individual incidents are getting smaller as attacks concentrate on small protocols with poor security management. Qureshi also added he believes the same pattern is likely playing out across the broader web. According to a chart Qureshi shared, the annualized number of monthly hacking incidents was mostly around 100 to 200 last year, but rose to about 560 in August this year. The median loss per hack fell about 49% to $410,000 so far this year from $811,000 last year.

BNB Chain said on its official X account that its network and core infrastructure have not been affected by a recently identified PHP security vulnerability. The chain said it does not use the PHP programming language in its tech stack, leaving it unaffected by the PHP2Shell vulnerability. PHP is a programming language used for websites and servers.

Circle CEO Jeremy Allaire is not paying close attention to Bitcoin’s weak price performance this year and is instead focused on practical stablecoin use cases, BeInCrypto reported. In a CNBC interview, Allaire said he was not particularly concerned with how the price of individual digital products such as BTC moves, adding that digital dollars are tools for payments, transactions, lending and investment rather than speculation. He also said he is focused on a future in which AI software moves funds directly.

South Korea’s Financial Services Commission Chairman Lee Eog-weon said digital asset taxation should take multiple factors into account, while the government’s bill on a digital asset basic law tied to stablecoins is in the final stage of consultations, Edaily reported. Speaking at a comprehensive parliamentary audit of the Financial Services Commission at the National Assembly in Seoul today, Lee made the remarks after People Power Party lawmaker Song Eon-seok asked whether the government should abolish or delay taxation on virtual asset income until a digital asset basic law is in place. Lee said the government bill was in last-minute consultations and would be moved forward as quickly as possible for discussion. On taxation, Lee said Deputy Prime Minister Lee Hyeong-il had already addressed the issue and added that authorities are gathering views amid a range of opinions, according to Edaily.

AEON announced the launch of Agentic Checkout V2, a system that lets AI agents search for, purchase and pay for goods, while adding travel booking through crypto-based travel platform Travala. The company said users can delegate the entire travel reservation process to an AI agent. In V2, payment funds can be managed separately through a dedicated agent wallet, which is isolated from a user’s primary wallet and keeps a transparent record of transactions. AEON said the payment execution function has expanded beyond basic e-commerce purchases into service areas involving more complex intent, such as travel. Amid moves by major big tech companies including Stripe and Meta to build payment environments for AI agents, AEON emphasized that it is broadening execution into real-world service bookings such as travel based on its AI card and on-chain wallet infrastructure.

South Korean exchange Bithumb announced the temporary suspension of Babylon (BABY) deposits and withdrawals at 9:00 a.m. UTC on Oct. 22 to support a network upgrade.

South Korea’s National Tax Service plans to request a preliminary review of its notice on virtual asset taxation on Nov. 6 and issue an administrative notice on Nov. 30, Digital Asset reported. The notice is set to take effect on Jan. 1, 2027. The draft notice is to be finalized on Oct. 30, followed by public comment collection, drafting steps and a request for preliminary review, confirmation of regulatory targets, approval of the drafting plan, an administrative notice, additional opinion gathering, and implementation.

Bithumb announced a temporary suspension of deposits and withdrawals for 49 Solana-based tokens due to a Solana network upgrade. - DoubleZero (2Z) - Access Protocol (ACS) - Arcium (ARX) - Moonbird (BIRB) - Bubblemaps (BMT) - Bonk (BONK) - Cudis (CUDIS) - deBridge (DBR) - Doodles (DOOD) - Geodnet (GEOD) - Grass (GRASS) - Helium (HNT) - Holoworld AI (HOLO) - Huma Finance (HUMA) - io.net (IO) - Jito (JTO) - Jupiter (JUP) - Kamino Finance (KMNO) - Solayer (LAYER) - Mayflower (MAY) - Magic Eden (ME) - Meteora (MET) - MetaDAO (META2) - cat in a dogs world (MEW) - Moodeng (MOODENG) - Metaplex (MPLX) - Orca (ORCA) - Pudgy Penguins (PENGU) - Ponke (PONKE) - Popcat (POPCAT) - Pearl (PRL) - Pump.fun (PUMP) - Pyth Network (PYTH) - Raydium (RAY) - Render Token (RENDER) - ROA CORE (ROA) - Seeker (SKR) - Solstice (SLX) - SNS (SNS) - Solana (SOL) - Sonic SVM (SONIC) - SOON (SOON) - Official Trump (TRUMP) - Global Dollar (USDG) - Useless (USELESS) - Wormhole (W) - Humidifi (WET) - dogwifhat (WIF) - Kapybobo (PYBOBO)

Four newly created addresses received a total of 1,127 BTC from crypto market maker Wintermute, worth about $93.45 million, according to ai_9684xtpa. The transfers are estimated to reflect purchases routed through Wintermute.

The following shows estimated liquidation volumes and position ratios for major crypto perpetual futures over the past 24 hours: - BTC: $125.99 million liquidated (61.51% shorts) - ETH: $72.70 million liquidated (57.42% shorts) - ZEC: $12.85 million liquidated (76.85% shorts)

South Korean exchange Bithumb announced it will temporarily suspend deposits and withdrawals of XPLA at 6:00 a.m. UTC on Oct. 22 to support the token's network upgrade.

South Korea’s Deputy Prime Minister Lee Hyoung-il, who also serves as minister of economy and finance, reiterated that the government will make a carefully considered decision on the planned January implementation of virtual asset taxation next year after gathering views from the industry, experts and lawmakers, Edaily reported. Speaking at a comprehensive parliamentary audit session of the Planning and Finance Committee at the National Assembly in Seoul on Oct. 22, Lee said multiple lawmakers had raised concerns during the previous audit and Lee had said at the time that the government would hear more from experts and the industry before making a decision. Lee added that, in that context, the first vice minister had listened to industry views. Lee had also reaffirmed during the G20 finance ministers meeting on Oct. 19 that the government would go through additional consultations on virtual asset taxation, according to the report.

Major cryptocurrency groups cut third-quarter lobbying spending from the previous quarter after the CLARITY Act failed to advance last month, Bloomberg reported. Even so, total lobbying outlays in the quarter exceeded $4 million, marking a sixth straight quarter in which the crypto industry spent more than $4 million. The industry had previously spent $8 million in the first half of this year to push the CLARITY Act.

CME Group CEO Terry Duffy said cryptocurrency perpetual futures should be classified and regulated as swaps rather than traditional futures contracts, according to BeInCrypto. In a recent interview, Duffy said the funding rate mechanism used in perpetual futures matches the characteristics of swap contracts. He added the products therefore need to be subject to tougher swap regulations introduced after the 2008 global financial crisis. Duffy also pointed to the lack of clear regulatory standards to control leverage, particularly as some overseas crypto exchanges allow trading at up to 250x leverage. CME previously sued the U.S. CFTC over its approval of perpetual futures listings by prediction-market platforms including Kalshi. The CFTC had argued CME lacked standing to sue, saying CME trading volumes had increased after the approvals.

According to CoinNess market monitoring, BTC has fallen below $83,000. BTC is trading at $82,977.33 on the Binance USDT market.

Bitcoin treasury companies, or DATs, are not continuing to buy even though their holdings are showing unrealized gains, Glassnode said. The firm said DATs’ average cost basis is around $80,000, and BTC has remained above $80,000 since Sept. 18. It added that if DATs keep buying while already in profit, that could stir the market.

An anonymous whale wallet starting with 0xdeA posted 18,500 WETH as collateral on Aave, borrowed $25 million in stablecoins, and used the funds to withdraw, or effectively buy, 12,549 ETH worth $32.04 million from Binance, according to ai_9684xtpa. The accumulation appears to have started on Sept. 29, and continued buying lowered the wallet’s average entry price to $2,553 from $2,736. The address also appears to be linked to a known wallet associated with U.S. rapper Kanye West.

Sonic said on its official X account it plans to move around 13 million S, worth about $720,000, within the next 24 to 48 hours as part of a strategic over-the-counter deal. The layer-1 project said the token transfer is tied to a strategic OTC agreement with a long-term partner, which is expected to use its own network to strengthen Sonic’s ecosystem reach and boost user engagement. Details including the counterparty’s identity and the size of the agreement were not disclosed.

Circle’s Arc chain has launched Arc Portal, an ecosystem hub where users can swap and transfer assets, generate yield, and explore applications across the ecosystem. It also supports AI agent enablement, allowing users to directly set spending limits and permissions for AI agents.