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Binance said on October 27 that its security team had successfully identified and blocked multiple North Korea-linked cyberattacks over the past week, with no damage to company systems or loss of assets. Binance noted that North Korea-linked hacking groups have continued to conduct social engineering attacks under the “Contagious Interview” campaign, using fake job interviews, coding tests, and software installation requests to trick targets into running malicious programs. The exchange advised users to avoid installing unauthorized software or executing code from untrusted sources, adding that it will continue strengthening security monitoring, threat detection, and internal security controls.

Binance filed an application with Brazil’s central bank on October 23 through its local entity BBrasil to operate as a virtual asset service provider (SPSAV), ahead of the October 30 regulatory deadline, according to Blocknews. To comply with local rules, Binance began restricting eight services for Brazilian users on October 27, including crypto loans, margin trading, mining pools and cloud mining, while delisting 22 tokens, including USDE, USTC, DCR and XVG. Existing positions in affected products are generally limited to reductions or closures, with new positions prohibited. Binance also plans to complete the migration of Brazilian users to its local payment-account structure by October 29.

According to SoSoValue, U.S. spot Bitcoin ETFs recorded $110 million in net inflows on October 26, entirely driven by BlackRock's IBIT, bringing its cumulative net inflows to $66.24 billion. Spot Ethereum ETFs saw $88.58 million in net outflows, although Fidelity's FETH led individual fund inflows with $16.13 million. BlackRock is the world's largest asset manager, while Fidelity is one of the largest U.S. investment firms.

Zcash co-founder and protocol developer Sean Bowe has submitted a draft Zcash Improvement Proposal (ZIP) to end the 8% block subsidy allocation to Zcash Community Grants (ZCG) and redirect it to the Network Sustainability Mechanism (NSM), withholding the funds from immediate circulation.
The proposal argues that ZCG's existing reserves are sufficient to sustain its grant-making activities. It would leave ZCG's existing treasury, the separate 12% Coinholder-Controlled Fund allocation, miners' subsidy share, and ZEC's maximum supply unchanged.

Grayscale, a leading digital asset manager, highlighted Zcash's (ZEC) continued innovation ahead of its 10th anniversary on October 28, attributing part of its progress to the allocation of 20% of block rewards to developer funding. The privacy-focused cryptocurrency has evolved through multiple shielded pools, from Sprout and Sapling to Orchard and the 2026 Ironwood upgrade, which introduced quantum-recoverable addresses and formal verification to address security vulnerabilities.

Chris Dixon: Why Expand a16z Crypto into a16z Frontier?
On October 23, 2026, a16z Managing Partner Chris Dixon said the expansion of a16z Crypto into a16z Frontier reflects the increasingly blurred boundaries between crypto, fintech, Wall Street, and mainstream technology. Stablecoins have become a standard tool for fintech companies, while asset tokenization is growing rapidly. The team will explore frontier areas that remain underserved by existing investment efforts, continuing its approach of identifying investment opportunities in the second-order effects of technological advances.

Sixpence, an onchain money market for tokenized U.S. stocks, will run a points campaign on Robinhood Chain from October 26 at 00:00 to November 23 at 00:00 (UTC), with a total reward pool of 10,000 USDG, split into two periods of 5,000 USDG each. Sixpence allows users to borrow stablecoins against tokenized U.S. stocks such as AAPL, TSLA, and NVDA, or deposit stock tokens into a Vault to earn interest. The project raised $5 million in seed funding from investors including a16z CSX.

Passport hardware wallet maker Foundation said it has identified more than 23,000 phishing email attempts, including 19,057 messages delivered through Mailgun and 1,503 sent via Google Workspace. The number of affected users remains unknown.
The investigation found that personal information from historical WooCommerce orders remained in legacy database tables despite appearing redacted in the admin dashboard. Customer data from orders placed through Shopify since May may also have been exposed. Foundation said it has revoked affected email credentials and taken compromised legacy services offline. There is no evidence that Passport devices or their private keys were compromised. The phishing emails attempted to trick users into revealing their wallet recovery phrases.

Hyperliquid announced that Kraken parent Payward plans to become the first CFTC-regulated HIP-3* deployer, using Hyperliquid infrastructure to offer perpetual futures markets to U.S. clients. Subject to regulatory approval, Payward's CFTC-regulated DCM and DCO, Bitnomial, would serve as the deployer, managing the markets and clearing and settling contracts, while its CFTC-registered FCM, NinjaTrader Clearing, would carry client accounts. HIP-3* will introduce optional onchain allowlists for permissioned markets without affecting existing HIP-3 markets. The initial version is available on testnet, with specifications subject to change.

Ethereum researcher Toni Wahrstätter said the planned Glamsterdam fork on the Hoodi testnet has been delayed after ChainSecurity identified compatibility risks in EIP-8037 and EIP-8038. The gas changes could break contracts that assume gas usage only decreases or cause failed sub-calls to behave unexpectedly. ChainSecurity has found 13 real-world cases, and developers are reviewing whether the upgrade specification needs changes.

Jack Dorsey's decentralized messaging app Bitchat topped France's App Store Social Networking chart following nationwide protests and an Orange network outage on October 21. The app enables offline messaging via Bluetooth mesh networks, supports Nostr-based communication, and integrates Bitcoin-backed Cashu eCash payments.

Nasdaq-listed BNB Standard Corporation (NASDAQ: BNC) rang the opening bell at Nasdaq's MarketSite in Times Square, New York, to mark its rebranding and the appointment of Alex Odagiu as CEO. Formerly known as CEA Industries, the company officially changed its name on September 29. Its business includes managing a corporate BNB treasury, and it plans to operate a validator node on BNB Chain. The company claims to hold the world's largest corporate BNB treasury.

Akash Network said it has selected Solana as the destination for its planned blockchain migration. The decentralized GPU and AI compute network currently runs its own Cosmos SDK-based chain, but previously said it intends to move to a shared-security architecture to reduce network maintenance costs and the capital burden associated with AKT staking. Solana and Ethereum had both been under consideration before Akash made its final choice.

Keystone said its latest investigation found that attackers obtained a WebAuth device-authentication key through the website breach, potentially allowing counterfeit hardware wallets to pass official authenticity checks. The company will destroy 18,835 unsold devices using the old key, pause unshipped orders and switch new production to a replacement key. The incident also affected 25,964 purchase records and 12,873 incomplete checkout records, while Keystone said seed phrases, private keys and transaction signing were not compromised.

Galaxy Research said Bitcoin’s bear market ended in June 2026 and the asset is now in an accumulation phase, with BTC closing above its 50-week moving average for five consecutive weeks. Monthly transfers from coins held for more than five years have fallen to about 34,000 BTC from 67,000 in 2024, suggesting reduced selling pressure from long-term holders. Galaxy said the bullish view would weaken if Bitcoin falls below its roughly $76,540 50-week moving average and fails to reclaim it within a month.

S&P Global has completed its acquisition of blockchain security firm OpenZeppelin for an undisclosed amount. The deal is intended to strengthen S&P Global’s digital asset and smart contract risk capabilities. OpenZeppelin will continue to operate independently under founder Demian Brener, while its open-source smart contract libraries will remain freely available.

Strategy said it made no Bitcoin purchases or sales and conducted no ATM stock sales between October 19 and 25, while spending about $204.9 million to repurchase 2.07 million STRC preferred shares. The company continues to hold 848,517 BTC acquired for about $64.02 billion at an average price of $75,446, alongside a $4.83 billion USD Reserve and roughly $242 million in additional cash.

BitMine said it acquired 10,452 ETH over the past week, bringing total holdings to 6,051,933 ETH, or about 4.95% of Ethereum’s supply. The company also repurchased 2.04 million shares at an average price of $22.48; its 2026 buybacks now total 22.9 million shares, or about $399.6 million. BitMine has 5.23 million ETH staked and reported total crypto, cash, marketable securities and other investments of about $15 billion.

According to an SEC filing, Strive entered into an at-the-market sales agreement with Cantor Fitzgerald, Barclays and five other firms to sell up to $1 billion of its Series A perpetual preferred stock, SATS. The shares carry a 15% annual cumulative dividend rate based on a $100 liquidation preference. Strive said net proceeds may be used for general corporate purposes, including Bitcoin purchases, working capital, income-generating investments and repurchases of common or preferred stock.

Asia Gulf Holdings, parent of Bahrain-licensed Singapore Gulf Bank, appointed Revolut Group chairman Martin Gilbert and former Singapore minister Maliki Osman to its Global Advisory Board. Gilbert will advise on investment strategy and asset management across Asia and the Middle East, while Osman will focus on geopolitics and government relations.