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  1. Page 1: Today’s IndexTLDR, TLDR AI, TLDR Web Dev, TLDR InfoSec, TLDR Crypto · 9 stories
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  3. Page 3: TLDR AITLDR AI · 13 stories
  4. Page 4: TLDR Web DevTLDR Web Dev · 10 stories
  5. Page 5: TLDR InfoSecTLDR InfoSec · 12 stories
  6. Page 6: TLDR CryptoTLDR Crypto · 11 stories
  7. Page 7: TLDR DesignTLDR Design · 11 stories
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  10. Page 10: Resources & ToolsTLDR AI, TLDR Web Dev, TLDR InfoSec, TLDR Design, TLDR Founders · 11 stories
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Daily Edition · Page 6

THE DAILY INDEX

Technology, AI, software, security, crypto and business

MARKETS & BUSINESS

TLDR Crypto

TLDR Crypto

BLACKROCK'S BITCOIN ETF BREAKS 34-DAY STREAK WITH OUTFLOWS

BlackRock's IBIT spot Bitcoin ETF experienced $430 million in outflows on May 30, ending its 34-day inflow streak amid a 4% pullback in BTC from its all-time high. Overall, U.S. spot Bitcoin ETFs shed $616 million on Friday, marking their worst trading day since February. IBIT still controls roughly 80% of ETF trading volume with $69.2 billion in AUM, over three times Fidelity's FBTC at $20.8 billion, and 3.33% of all BTC in circulation versus FBTC's 1%.

links.tldrnewsletter.com · 2 min

TLDR Crypto

OPENSEA LEVELS UP: OS2 RELEASE, REWARDS, AND MORE

OpenSea has officially launched OS2 as its default platform, removing the beta tag and expanding support to virtually every token across 19 chains with more networks coming soon. The company introduced a new rewards program featuring "Voyages" that provide XP for using platform features, serving as the foundation for its upcoming $SEA token distribution where both past trading history and current activity will be rewarded through separate allocations. The platform has implemented strict anti-botting measures to ensure rewards go to genuine users while emphasizing that several major innovations must be in place before the token generation event, though no specific timeline was provided.

links.tldrnewsletter.com · 20 min

TLDR Crypto

PORTO: SIGN IN WITH SUPERPOWERS

Porto is an open-source TypeScript library that enables passwordless, execution-powered accounts on EVM by integrating WebAuthn passkeys or OAuth without requiring seed phrases, private keys, or extensions. It delivers developer-first compatibility with Wagmi and Viem, boasts a >50% gas-efficiency improvement over alternatives through a redesigned account abstraction stack, and ensures predictable stablecoin fees and reliable next-block inclusion. The preview adds friction-free onboarding via Apple Pay onramp, targeted promotions, and modular integration, alongside advanced features like account delegation, subscriptions, and EIP-7702 upgrades for existing wallets. Porto's roadmap focuses on institutional-grade security, audit-driven bug bounties, and cross-chain interoperability to make every account a Porto account.

threadreaderapp.com · 7 min

TLDR Crypto

PANTERA MAY 2025 BLOCKCHAIN LETTER

Digital Asset Treasury companies (DATs) are emerging as public-market vehicles that mirror MicroStrategy's model, enabling investors to gain Bitcoin or other crypto exposure through listed equity by harvesting volatility and issuing convertible instruments. Unlike ETFs, DATs lock up crypto indefinitely, potentially compounding crypto-per-share growth and reducing sell pressure on underlying assets. Separately, stablecoins have become crypto's “killer app” by placing dollars onchain and driving demand for U.S. Treasuries via tokens, while the forthcoming GENIUS Act aims to formalize their regulatory framework.

panteracapital.com · 35 min

TLDR Crypto

STABLECOINS ARE A NEW PLATFORM

Stablecoins are evolving beyond a simple payments rail into a foundational infrastructure layer, akin to how the internet disrupted telecom, for global, 24/7, programmable finance across B2B, B2C, and infrastructure stacks. The GENIUS Act's regulatory clarity will treat permitted stablecoin issuers' tokens as cash equivalents, sparking a funding surge and driving widespread adoption in cross‑border payments, domestic treasury applications, and embedded finance. By abstracting existing rails like SWIFT, ACH, and PIX into a unified, developer‑friendly platform, stablecoins unlock new use cases like instant B2B transfers, treasury yield optimization, stablecoin‑native checking accounts, and programmable prepaid cards. Companies that learn from past BaaS successes and failures and develop robust stablecoin approaches will be best positioned to thrive as finance moves on‑chain.

fintechbrainfood.com · 40 min

TLDR Crypto

STEAK N' SHAKE: BITCOIN PAYMENTS HALVED PROCESSING FEES

Steak n' Shake cut payment processing fees in half by accepting Bitcoin. COO Dan Edwards revealed at Bitcoin 2025 that the fast-food chain saved approximately 50% compared to traditional credit card fees after just two weeks of implementation. The company saw significant adoption on its first day of Bitcoin acceptance, accounting for one in every 500 Bitcoin transactions globally, demonstrating meaningful consumer demand for crypto payment options. Beyond customer payments, Steak n' Shake is also allowing prospective franchisees to purchase franchises with Bitcoin.

coindesk.com · 3 min

TLDR Crypto

BITMEX THWARTS SUPPOSED LAZARUS ATTACK

BitMEX says it thwarted a cyberattack it believes was carried out by North Korea–linked Lazarus Group, uncovering the attackers' IP addresses and flagging critical lapses in their operational security. The exchange reported that the threat actors used identifiable infrastructure, reused email credentials, and made several errors during the intrusion attempt. While no user funds were impacted, BitMEX has referred the case to authorities and emphasized its zero-tolerance policy for threats to platform security.

links.tldrnewsletter.com · 3 min

TLDR IndexPage 6