Pantera-backed digital asset treasury firm Solana Company (HSDT, formerly Helius) has moved up the unlock date for its $500 million PIPE round, allowing early investors to sell shares ahead of schedule. HSDT shares have plunged about 60% over the past three days, now trading around $6.50, below the September PIPE issue price of $6.881. — link

Ethereum core developer Péter Szilágyi revealed a letter he sent to the Ethereum Foundation leadership last year, criticizing Vitalik Buterin’s excessive influence and claiming that most projects are controlled by a small circle of 5–10 people and 1–3 venture capital firms behind them, forming a Vitalik-centric interest group where the success of new projects depends largely on their relationship with this circle. — link

Vitalik Buterin praised Polygon and co-founder Sandeep Nailwal for their key contributions to the Ethereum ecosystem. He highlighted Polygon’s early investment in ZK-EVM development, Jordi Baylina’s team efforts, and the creation of infrastructure like AggLayer. Vitalik also commended Sandeep for his work on CryptoRelief and for returning $190M in SHIB donations, which helped fund the Balvi open-source anti-pandemic project. He added that he hopes Polygon will adopt mature ZK technology to bring full security guarantees to its PoS chain. — link

On October 20, Ethereum spot ETFs recorded a total net outflow of $146 million, marking the third consecutive day of outflows. Bitcoin spot ETFs saw a total net outflow of $40.47 million, extending their four-day streak of withdrawals. — link

Upbit, South Korea’s largest crypto exchange, announced it will list SynFutures (F) with KRW and USDT trading pairs. SynFutures is a decentralized derivatives exchange that enables on-chain perpetual futures trading. Its native token F is used for staking and governance purposes. — link

South Korea’s second-largest crypto exchange Bithumb will list ZORA and RECALL with KRW trading pairs. Zora is an open-source decentralized NFT protocol, while Recall is a decentralized platform building an on-chain network for AI agents to store, share, and trade knowledge. — link

Binance HODLer Airdrop launches its 55th project — Turtle (TURTLE). Binance will list TURTLE on October 22, 2025, at 23:00 (Beijing time), opening trading pairs with USDT, USDC, BNB, FDUSD, and TRY. The token will carry a Seed Tag label. — link

According to @ai_9684xtpa, SpaceX has transferred $268 million worth of BTC, marking its first major Bitcoin movement in three months. About 1,187 BTC went to a bc1qq address and 1,208 BTC to a bc1qj7 address, both inactive so far. The July transfer was later tagged by Arkham as Coinbase Prime Custody, suggesting this may be an internal wallet shuffle. — link

According to The Wall Street Journal, Coinbase Global (Nasdaq: COIN) has reached an agreement to acquire Echo for approximately $375 million. Echo is a platform that enables crypto companies to quickly raise capital directly on the blockchain. — link

SharpLink announced the purchase of an additional 19,271 ETH at an average price of $3,892, bringing its total holdings to 859,853 ETH (valued at approximately $3.5 billion). This week, the company raised $76.5 million at a 12% premium to market price, has accumulated 5,671 ETH in staking rewards since June 2, and currently holds $36.4 million in cash reserves. — link

According to Bloomberg, major asset managers like BlackRock are encouraging large Bitcoin holders to move their coins into ETFs via in-kind transfers, bringing them into the Wall Street system. BlackRock’s head of digital assets, Robbie Mitchnick, said the firm has already facilitated over $3 billion in Bitcoin conversions to ETF shares. — link

Global Crypto Mining News in September: Bitdeer launched a new generation of mining machines, while tech giants such as Google and Nvidia increased investment in data centers and AI infrastructure. KuCoin introduced a cloud mining platform, and several Hong Kong-listed companies entered or expanded their mining operations, etc. — link

According to Blockworks, YZi Labs led a $25.5 million strategic funding round for digital infrastructure firm Sign, with participation from IDG Capital. Including its previous seed and Series A rounds, Sign has now raised over $55 million in total financing. — link

Ethereum’s upcoming Fusaka hard fork will activate EIP-7825, introducing a per-transaction gas limit of 2²⁴ (≈16.78 million). Already live on Holesky and Sepolia testnets, the change will take effect on mainnet with Fusaka. Aimed at improving block efficiency and enabling future parallel execution, the cap doesn’t affect the total block gas limit. Most transactions remain unaffected, but batch deployment scripts and transaction tools may require updates. — link

According to crypto journalist Eleanor Terrett, Federal Reserve Governor Chris Waller announced a proposal for a new type of “limited-access master account,” or “skinny master account,” allowing all legally eligible institutions — including fintechs, stablecoin issuers, and payment companies — to access the Fed’s payment system directly without relying on partner banks. — link

Tether announces USDT has surpassed 500 million users, with total supply nearing $182 billion. The company plans to launch a new dollar-backed stablecoin, USAT, for U.S. users by year-end. Previously, Tether was reported to be seeking up to $20 billion in funding at a $500 billion valuation. — link

According to DLNews, Solana Mobile has ended software and security update support for the Saga phone, effectively ending its lifecycle just two years after launch. Some unopened units are still being sold at high prices on secondary markets. Solana Mobile launched its second-generation phone, the Solana Seeker, in August 2024. — link

Circle has launched Bridge Kit, a developer toolkit designed to simplify cross-chain transfers, starting with support for CCTP and USDC. It wraps CCTP V2’s core functions into streamlined SDK methods, offering step-by-step docs, production-ready code samples, and built-in monetization logic to help developers earn from transfers. — link

Coinbase announced that spot trading for Keeta (KTA) will go live on October 22, 2025. If liquidity conditions are met, the KTA-USD trading pair will open on or after 9:00 AM PT in supported regions. Keeta is a Layer 1 blockchain network designed to connect payment systems and enable direct cross-chain transactions. — link

According to Bloomberg, European nations are working with Ukraine on a peace proposal to secure a ceasefire along current front lines, overseen by a peace board chaired by U.S. President Donald Trump. Trump and Russian President Vladimir Putin are expected to meet in Budapest, while Ukrainian President Volodymyr Zelenskiy said the plan, if realized, could bring the war closer to an end. — link

According to Bloomberg, Asia’s three major stock exchanges are tightening scrutiny of crypto asset treasury firms that seek to list under conventional corporate structures. The Hong Kong Stock Exchange has rejected at least five such applications in recent months, citing rules that prohibit excessive holdings of liquid assets, sources said. Regulators in India and Australia have imposed similar curbs, further undermining the viability of the model. — link

Bealls Inc., a 110-year-old U.S. retail company, has announced a partnership with digital payments platform Flexa to enable cryptocurrency payments across more than 660 stores nationwide. With this integration, Bealls becomes the first national retailer to accept digital assets from over a dozen blockchains, including BTC, ETH, stablecoins and meme tokens. — link