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  1. Page 1: Today’s IndexTLDR, TLDR AI, TLDR Dev, TLDR InfoSec, TLDR Crypto · 9 stories
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  3. Page 3: TLDR AITLDR AI · 10 stories
  4. Page 4: TLDR DevTLDR Dev · 8 stories
  5. Page 5: TLDR InfoSecTLDR InfoSec · 12 stories
  6. Page 6: TLDR CryptoTLDR Crypto · 11 stories
  7. Page 7: TLDR ProductTLDR Product · 10 stories
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  10. Page 10: Resources & ToolsTLDR, TLDR AI, TLDR Dev, TLDR InfoSec, TLDR Design, TLDR Marketing · 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

CITI, COINBASE PARTNER TO EXPAND DIGITAL ASSET PAYMENTS

Citi partnered with Coinbase to develop digital asset payment solutions for institutional clients, initially focusing on streamlining fiat on/off-ramps and payment orchestration with future plans for 24/7 fiat-to-stablecoin options. The partnership extends Citi's push into round-the-clock digital money solutions alongside existing offerings like Citi Token Services and USD Clearing across its 94-market network. Citi currently banks 90% of top e-commerce firms and 15 of the world's 20 largest fintechs. It plans to launch crypto custody services in 2026 to hold native digital assets like Bitcoin and Ethereum on behalf of clients.

coindesk.com · 4 min

TLDR Crypto

JAPAN'S JPYC LAUNCHES FIRST LEGALLY APPROVED YEN STABLECOIN

JPYC Inc. has launched Japan's first legally recognized yen-backed stablecoin, fully compliant under the country's Payment Services Act. Pegged 1:1 to the yen and backed by bank deposits and government bonds, the JPYC token is live on Avalanche, Ethereum, and Polygon, with issuance and redemption handled via the new JPYC EX platform. Users can acquire tokens after KYC through Japan's My Number ID system. JPYC targets ¥10 trillion ($65B) in circulation within three years. Multiple Japanese firms plan to integrate JPYC into retail and enterprise payment systems, signaling Japan's entry into regulated, large-scale stablecoin adoption.

links.tldrnewsletter.com · 3 min

TLDR Crypto

STABLECOIN LINKED CARDS - WAY BETTER SECURED CREDIT CARDS

Stablecoin-linked cards allow users to spend USDC or USDT at any Visa/Mastercard merchant through instant fiat conversion at point of sale. Self-custodial options like Ether.fi allow users to borrow against crypto collateral at 4% APY while earning 10% yield. Revolut's zero-fee stablecoin conversion for 65 million customers and Coinbase's Bitcoin-backed loans powered by onchain protocols like Morpho demonstrate how vaults are bringing decentralized lending to mainstream fintech apps, replacing balance sheet lending with private credit models. The shift toward direct stablecoin acceptance by merchants and banks will compress settlement times to zero, eliminating the 1-2% early payment fees merchants currently pay and the up to 2% consumer on/off ramp costs.

links.tldrnewsletter.com · 11 min

TLDR Crypto

WHY X402 MATTERS

x402 transforms how AI agents pay for data and services by replacing traditional payment rails, which are slow, risky, and require human setup, with instant, trustless crypto settlements. Using USDC microtransactions, agents can autonomously authorize and complete payments directly with APIs, removing middlemen and chargebacks. This shift enables fully autonomous AI agents and lets API providers design new onchain business models where data, compute, and services can transact seamlessly in real time.

threadreaderapp.com · 2 min

TLDR Crypto

A NEW PATH FOR PROPRIETARY AMMS

Proprietary AMMs managed by professional market makers have captured 40%+ of Solana trading volume by updating pricing curves up to 74 times per second, enabled by extremely cheap updates compared to swaps that allow market makers to achieve Top of Block priority with minimal fees and avoid front-running. EVM's expensive storage writes versus swaps create only a 1:10 ratio instead of Solana's 1:1000, making updates costly and vulnerable to arbitrageur front-running since outbidding requires only 10x the priority fee. A proposed solution combines a Global Storage smart contract for price curve parameters with a builder policy that reserves the first 5-10% of block gas exclusively for these updates ordered by priority fee, creating a protected "fast lane" that guarantees Top of Block execution and establishes a local fee market competing only against other updates rather than all DeFi transactions.

links.tldrnewsletter.com · 16 min

TLDR Crypto

LOCKONOMICS

Velodrome and Aerodrome – the leading DEXes on Optimism and Base – pioneered "lockonomics," a model where users lock tokens for up to 4 years to receive voting power, protocol fees, and project bribes, while LPs receive token emissions instead of direct fees. The system imposes a "speculation tax" on short-term holders through inflation that benefits lockers – currently 50% of supply is locked with an average duration of 3.6 years – and can be stabilized via emission control to match revenue when growth slows. Velodrome currently runs 15% annualized inflation while delivering 20%+ APY to lockers, deliberately operating at emissions exceeding revenue to drive sticky growth through accumulated protocol-owned liquidity and user lock-in before eventually reverting to a sustainable emissions-equal-revenue equilibrium.

norswap.com · 11 min

TLDR Crypto

WTF IS ORCHESTRATION (OR CLEARING) (OR SETTLEMENT)

Orchestration (coordinating between parties), clearing (reconciling who owes what), and settlement (actual fund transfers) evolved in traditional finance to coordinate transactions across networks of intermediaries maintaining separate ledgers. Crypto's multi-chain reality has recreated the same coordination challenges that shaped traditional finance, despite blockchain's promise of instant settlement on a single shared ledger. The opportunity lies in rebuilding these functions through smart contracts, cryptographic proofs, and programmable liquidity rather than institutional intermediaries, creating systems that are more performant, upgradeable, and transparent to handle crypto's expected orders-of-magnitude higher velocity of money.

links.tldrnewsletter.com · 8 min

TLDR IndexPage 6