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Castle

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The smart wallet for NFT collectors

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Castle is the smart wallet for NFT collectors. It gives users access to features such as multi-signature security, a built-in NFT marketplace, batched transactions, portfolio tracking, and more – all in one product.

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Birdai Labs Completes $4 Million Seed Round, Led by Castle Island Ventures

Birdai Labs 宣布完成 400 万美元种子轮融资，本轮由 Castle Island Ventures 领投，Metalayer Ventures 和 The Venture Dept. 参投。公司专注于构建链上交易执行的中立型基础设施，用于衡量、验证并改善高性能区块链上的交易执行质量，同时提升市场透明度，并将部分价值返还给产生交易流的参与者。

Cyclops Completes $20 Million Series A Financing, Led by Nava Ventures

According to Fortune, Miami-based payment infrastructure startup Cyclops announced the completion of a $20 million Series A financing round, led by Nava Ventures, with participation from Castle Island Ventures, Coinbase Ventures, Circle, Lasagna Ventures, and GPT Ventures.

Castle Labs: The crypto market is shifting from “gambling” to “investment”; revenue generation and value returns will become the core competitiveness of tokens.

Castle Labs (@castle_labs) published a post stating that the current crypto market is undergoing a profound paradigm shift—speculative models prioritizing extraction are gradually giving way to investment logic oriented toward revenue generation. The article notes that since 2026, the broader crypto market has performed poorly: most assets have seen sustained price declines, ETF funds have continued flowing out, project shutdowns have intensified, and institutional VC investments have grown increasingly conservative. The key catalysts for this shift were last October’s large-scale liquidation event and the ongoing market reflection triggered by gold consistently outperforming Bitcoin. On the revenue data front, among the roughly 5,700 protocols tracked by DeFiLlama, only 3.5% generated over $100,000 in revenue over the past 30 days—and fewer than 1% actually distributed earnings to token holders. The article focuses on top revenue-generating protocols—including Hyperliquid (HYPE), Pumpdotfun (PUMP), Tron (TRON), Sky (SKY), Jupiter (JUP), Aave (AAVE), and Aerodrome (AERO)—analyzing their price-to-sales ratios (P/S) and token holder return metrics. It argues that protocol revenue—and its capacity to feed value back to token holders—is becoming the core metric investors use to evaluate and select projects. Regarding institutionalization trends, traditional financial giants—including NYSE, Robinhood, BlackRock, and Franklin Templeton—

Gate CFD Contract Stock Zone has launched 53 CFD contract trading pairs including SHLD (GLOBAL X Defense Technology ETF), DRAM (Roundhill Memory ETF), and others, along with a new coin airdrop Phase 4 event

According to official announcements, the Gate CFD contract zone has launched 53 CFD trading pairs: SHLD (GLOBAL X Defense Technology ETF), DRAM (Roundhill Memory ETF), GME (GameStop), NBIX (Neurocrine Biosciences), BAX (Baxter International), KMI (Kinder Morgan), CFG (Citizens Financial Group), Z (Zillow Group), DVN (Devon Energy), ADP (Automatic Data Processing), ADM (Archer-Daniels-Midland), GPN (Global Payments), SIRI (Sirius XM), ECL (Ecolab), MPC (Marathon Petroleum), MDLZ (Mondelez International), BKR (Baker Hughes), EL (Estée Lauder Companies), LVS (Las Vegas Sands Corp), LHX (L3Harris Technologies), VALE (Vale), A (Agilent Technologies), FOXA (Fox Corporation), TJX (TJX Companies), CLX (The Clorox Company), CCI (Crown Castle International), FAST (Fastenal), HLT (Hilton Worldwide), HOG (Harley-Davidson), DLR (Digital Realty Trust), PPG (PPG Industries), MTCH (Match Group), PLD (Prologis), EMR (Emerson Electric), KODK (Eastman Kodak), SWKS (Skyworks Solutions), AEP (American Electric Power), MDT (Medtronic), OMC (Omnicom Group), NSC (Norfolk Southern Railway), GFI (Gold Fields), BMY (Bristol-Myers Squibb), ROK (Rockwell Automation), LEN (Lennar Corporation), ETSY (Etsy), ADI (Analog Devices), CHTR (Charter Communications), NTRS (Northern Trust), NBR (Nabors Industries), EDU (New Oriental Education & Technology Group), VFS (VinFast), SENS (Senseonics), ETD (Ethan Allen Interiors). These contract trading pairs support 4x fixed leverage.In addition, the Gate CFD Stock Contract Zone will launch the new coin airdrop Phase 4 event from 16:00 on May 19 to 16:00 on May 29 (UTC+8). During the event, registered users can receive 300 USDT and share a prize pool of 900,000 USDT by participating in trading the newly listed assets, with a maximum reward of 31,300 USDT per person.

Related news

Castle Labs：链上永续合约DEX交易量占比升至12.33%

The proportion of on-chain perpetual contract DEX trading volume in the global perpetual contract market rose from 0.11% in January 2023 to 12.33% in September 2026.

Robinhood Chain daily fees reached $3.75 million, surpassing the combined total of Solana, Ethereum, and Base.

According to Castle Labs data, Robinhood Chain's 24-hour on-chain fee revenue reached $3.75 million, surpassing the combined total of Solana, Ethereum, and Base.

Birdai Labs Completes $4 Million Seed Round, Led by Castle Island Ventures

Birdai Labs 宣布完成 400 万美元种子轮融资，本轮由 Castle Island Ventures 领投，Metalayer Ventures 和 The Venture Dept. 参投。公司专注于构建链上交易执行的中立型基础设施，用于衡量、验证并改善高性能区块链上的交易执行质量，同时提升市场透明度，并将部分价值返还给产生交易流的参与者。

Cyclops Completes $20 Million Series A Financing, Led by Nava Ventures

According to Fortune, Miami-based payment infrastructure startup Cyclops announced the completion of a $20 million Series A financing round, led by Nava Ventures, with participation from Castle Island Ventures, Coinbase Ventures, Circle, Lasagna Ventures, and GPT Ventures.

A smart money address purchased $150,000 worth of Spurs over Knicks for NBA Finals Game 2

Odaily Seer monitoring shows that in the Polymarket "NBA Finals G2 Spurs vs. Knicks" prediction event, a smart money address (0x93abbc022ce98d6f45d4444b594791cc4b7a9723), which earned over $1.6 million in profits, purchased $150,000 worth of "Spurs beat Knicks" at an average entry price of 68¢, with an unrealized loss of $1,100.In this game, the Spurs started Vassell, Champagnie, Wembanyama, Castle, and Fox; the Knicks started Hart, Anunoby, Towns, Bridges, and Brunson. The current Finals series score is  1:0, with the Knicks temporarily leading.Odaily Seer continues to monitor the prediction market, seeing changes before they are priced in.

A smart money address purchased $300,000 worth of Thunder to beat Spurs in NBA Western Conference Finals Game 7

Monitoring by Odaily Seer Channel shows that in the Polymarket "NBA Western Conference Finals G7 Thunder vs. Spurs" prediction event, a smart money address (0xbddf61af533ff524d27154e589d2d7a81510c684) that has earned over $4.5 million in profit has purchased $300,000 worth of "Thunder to beat Spurs" shares. The average entry price is 56.4¢, with an unrealized profit of $6,900.NBA Western Conference Finals Game 7 between the Thunder and Spurs tips off at 8:00 AM Beijing time today. The series is currently tied at 3-3. The Spurs' starting lineup for this game is: Vassell, Champagnie, Wembanyama, Castle, Fox; the Thunder's starting lineup is: Dort, Holmgren, Hartenstein, Wallace, Alexander.Odaily Seer Channel continuously monitors the prediction market, seeing change before the pricing.