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The three major U.S. stock indices closed mixed today. - S&P 500: +0.26% - Nasdaq: +0.54% - Dow Jones: -0.04%

Video platform Rumble said in a report it bought an additional 82.32 BTC in the second quarter of this year, bringing its holdings to 293.14 BTC. The company increased its Bitcoin holdings for the first time in more than a year.

About 233,000 BTC moved out of long-term holder wallets after the Coldcard firmware vulnerability attack caused roughly $130 million in losses, a volume more than 100 times the stolen amount, according to Decrypt. Decrypt said, "As hackers attacked Coldcard, roughly $15 billion in Bitcoin quietly moved in search of safer storage." The outlet added some of the transfers came from Coldcard users moving funds to multisig wallets, while others came from Ledger and Trezor users who were prompted by the incident to tighten security.

Trump family DeFi project World Liberty Financial (WLFI) has appointed former Coinbase executive Ryan Ballantyne as chief business officer, The Block reported. Ballantyne most recently led corporate client strategy at Coinbase Institutional and will oversee WLFI’s global business strategy and partnerships.

Nasdaq-listed TRON has deposited more than 90% of its assets into the Tron DeFi protocol JustLend, creating an overly high level of dependence, CryptoSlate said. Based on its second-quarter filing, 91% of total assets, or $233.8 million, were held in TRX and sTRX, with most of that deposited into JustLend. CryptoSlate pointed to a high risk of asset losses if JustLend is hacked.

Samson Mow says Bitcoin Core developers should reflect on BIP-110 dispute JAN3 CEO Samson Mow criticized the controversy over BIP-110 as a result Bitcoin Core developers brought on themselves, according to U.Today. Mow said such disputes would keep recurring unless the developers acknowledge responsibility for triggering the BIP-110 movement, adding that the situation could have been avoided if Bitcoin Core had left the default OP_RETURN policy untouched and delayed changes for about one to two years. BIP-110 is a proposal aimed at limiting the large-scale storage of non-financial data, including Ordinals and NFTs, on the Bitcoin blockchain.

Bank of Montreal has disclosed holdings of XRP ETFs in its portfolio through its latest quarterly 13F filing with the U.S. SEC, U.Today reported. The Canadian bank holds 323 shares of the Rex-Osprey XRP ETF and 20 shares of the ProShares XRP ETF.

Goldman Sachs is set to gain BTCI, the roughly $1 billion NEOS Bitcoin High Income ETF, through its planned acquisition of options-based ETF manager Neos, Bloomberg ETF analyst Eric Balchunas said. Balchunas added, "now I get why Goldman didn’t launch the Bitcoin covered call product it filed for a few months ago." The Bitcoin High Income ETF, the Boosted Bitcoin High Income ETF and the Ethereum High Income ETF are expected to be added to Goldman Sachs, with the acquisition expected to close in the first quarter of 2027.

SKALE Labs has launched Agent Pit, a simulated prediction market that mirrors Polymarket’s structure so AI agents can train and test trading strategies in a virtual environment, The Block reported. The service mirrors Polymarket’s order book, market settlement mechanism and real-time event data feeds.

Nasdaq-listed Bitcoin financial services firm Fold sold a total of 832 BTC in the first half to repay debt and fund operations, CryptoSlate reported. Its holdings have now fallen sharply to 194 BTC. Fold posted a $15.6 million operating loss and a $38.8 million net loss in the first half alone, raising concerns that additional share issuance or further Bitcoin sales may become unavoidable.

Coinbase to delist 10 perpetual futures, including SAND, on Aug. 26 Coinbase announced the delisting of MEME, SAND, BIRB, BLUR, KAT, SPX, ZORA, AXS, AI, and ZRO perpetual futures on Aug. 26.

Nasdaq is hiring a principal protocol engineer for the Nasdaq Token Design Standard, a standard for representing on-chain stocks, ChainCatcher reported. The role covers token issuance, compliance, corporate actions, chain selection and the buildout of trading infrastructure for institutions. The salary range is $155,000 to $287,000.

Miden plans to launch USDCx, a privacy-enhanced stablecoin backed by Circle’s xReserve infrastructure, alongside its mainnet rollout later this month, CoinDesk reported. The zero-knowledge proof-based blockchain network said USDCx will be natively issued on the Miden network and backed by USDC deposited 1:1 into xReserve smart contracts. It is designed to remain private by default while allowing selective disclosure to auditors, regulators, or counterparties when required.

Santander expects the Federal Reserve to still raise interest rates in September and also sees another rate hike in December, according to Walter Bloomberg. The bank said July CPI is unlikely to sway the Fed’s September policy decision and maintained its existing view.

President Donald Trump has been sued over the sale of faster access to Truth Social posts, Bloomberg reported. CoinNess previously reported that high-frequency trading firms were paying $60,000 to $100,000 a month to monitor posts from key Truth Social accounts in real time.

New York City has opened an investigation into prediction market platforms Kalshi, Polymarket, Coinbase and Gemini Titan, The Block reported. Julie Menin, speaker of the New York City Council, said in a statement that prediction markets aggressively entice consumers to gamble and place bets on sports, politics, culture, weather and nearly everything else.

Kalshi has started offering a real-time order book data feed through DoubleZero Edge, a market data transmission service built on a dedicated global fiber-optic network, The Block reported. It marks the first use of an ultra-low-latency multicast feed in the prediction market sector. Institutional traders had previously faced delays and the added step of rebuilding order book conditions from API responses. The service will initially provide order book depth data for major sports events and cryptocurrency perpetual futures contracts.

Nick Timiraos, often described as the Fed whisperer, said the July inflation report matched market expectations, easing some pressure on the Federal Reserve to deliver another rate hike next month, while hawkish voices remain. He said Wall Street paid particular attention to the consumer price index released today because Fed officials have signaled they are also watching the data more closely. According to Timiraos, Fed officials had spent the past year expecting inflation to return to the 2% target without additional rate hikes, but some now favor keeping rates higher for longer. He added that other officials have signaled they could join that hawkish minority if upcoming data make the current outlook harder to maintain. Timiraos said that earlier view was based on the belief that current rates were already restrictive enough and that persistently high inflation reflected external shocks rather than overly loose monetary policy. He added that there had also been an earlier expectation that tariff-driven cost increases would be one-off and that energy prices would fall alongside oil prices as Middle East tensions eased, but those shocks have instead persisted and, together with a surge in demand tied to the AI infrastructure investment boom, have pushed up prices for tech equipment and software.

The three major U.S. stock indices opened higher today. - S&P 500: +0.49% - Nasdaq: +0.90% - Dow Jones: +0.33%

Nasdaq-listed Bitcoin miner MARA Holdings said on Aug. 12 it borrowed a total of $750 million against 18,750 BTC, according to a quarterly report filed with the U.S. SEC. The company said the proceeds will be used to expand its energy generation and AI infrastructure businesses. MARA Holdings signed Bitcoin-backed loan agreements with two firms. Under its agreement with Coinbase Credit, the company consolidated and refinanced an existing $150 million credit facility while securing $300 million in new funding. A second loan provided $300 million from Two Prime Lending. That put the total principal across the two loans at $750 million, while net new funding came to $600 million after excluding the refinancing of the existing $150 million loan. The 18,750 BTC pledged as collateral was initially valued at about $1.2 billion when the agreements were signed.

Nasdaq-listed Cypherpunk Technology (CYPH), which has been accumulating ZEC, said through an official channel on Aug. 12 that it posted about $39.4 million in net income for the second quarter, swinging from a $16.6 million net loss a year earlier. The return to profit stemmed from about $46 million in unrealized gains tied to the fair-value remeasurement of its ZEC holdings. ZEC rose to $400.09 from $243.35 over the same period. As of Aug. 11, Cypherpunk held 323,394.38 ZEC, worth about $129.4 million and equal to 1.92% of ZEC’s circulating supply. Its average purchase price for ZEC was $341.83. According to CoinMarketCap, ZEC was recently trading at $490.64, up 0.31%.

Marinade Finance said a routing failure at Solana staking infrastructure provider Teraswitch temporarily pushed 28.83% of staked SOL on the Solana network offline, a level close to the 33.34% threshold for halting transaction confirmation. The outage affected about 90 validators. Marinade Finance said AS20326 held 118.9 million SOL, equal to 27.34% of the network’s total staked SOL, and 94% of that amount went offline at the same time. Traffic normalized about 33 minutes later, and the affected validators missed a combined 333 SOL in staking rewards. Marinade Finance said the incident highlighted concentration risks tied to ASNs, data centers and validator failover infrastructure, and plans to review its concentration cap standards.

Anchorpoint Fintech, led by Standard Chartered Bank Hong Kong, has begun a phased rollout of the Hong Kong dollar stablecoin HKDAP for institutions and professional investors, The Block reported. Anchorpoint plans to use HKDAP for cross-border payments and for payments and distribution tied to tokenized real-world assets.

Wintermute plans to invest about $1 billion over the next five years in high-frequency trading and artificial intelligence data center infrastructure as it diversifies into traditional finance, Bloomberg reported. In an interview with Bloomberg, Wintermute CEO Evgeny Gaevoy said the firm is seeking to reposition itself as a dealer trading equities, commodities and foreign exchange, using major firms such as Jane Street Group and Citadel Securities as benchmarks, adding that it is competing with companies that have spent decades optimizing technology and infrastructure for the market and that the scale of investment is naturally significant.

Harmony said via its official X account that it had identified 10,288 anomalous transactions across 409 wallets that received 4 billion unauthorized ONE tokens, after an exploit today led to the illicit minting of tokens equal to 26% of total supply. Harmony added that it had alerted exchange partners and blocked hundreds of suspected hacker deposits to centralized exchanges. The project also said 53% of validators had applied a patch banning unauthorized minting, while a rollback appeared to be the most favored solution so far. JackXBT, a well-known on-chain analyst, had previously declared a boycott of Harmony after its first hack, saying there had been no rewards for people who helped trace the stolen funds. Following the hacking disclosure, ONE was trading at about $0.0007458, down around 40%, according to CoinMarketCap.