Karthik Subramanian
Digital Assets Correspondent
Karthik Subramanian is a founder, writer, and technology consultant with nine years in the crypto ecosystem. He covers token economics, L1/L2 infrastructure, DeFi protocols, wallets/custody, and the bridge between crypto and forex—broker technology, liquidity, and macro drivers. Karthik’s writing focuses on clear, practical frameworks that help professionals evaluate new products and on-chain innovation alongside FX market realities.
May 2026
Solana’s Alpenglow goes live for testing, finality drops to 150ms
Solana's Alpenglow upgrade went live for testing on May 11, 2026, cutting finality to ~150ms and reshaping validator MEV economics ahead of mainnet.
Truth Social withdraws Bitcoin ETF filings amid 14bp fee war
Trump Media withdrew its Truth Social Bitcoin, BTC+ETH, and Crypto Blue Chip ETF filings on May 20, 2026 — a fee-war casualty, not a regulatory rejection.
Hyperliquid’s SpaceX pre-IPO perp draws CME and ICE fire
Trade.xyz lists the first SpaceX pre-IPO perpetual on Hyperliquid at a $1.78 trillion valuation, opening a new front in the CFTC oversight fight with CME and ICE.
Morgan Stanley’s 50bps crypto play tests Coinbase fee floor
Morgan Stanley's 50bps E*Trade crypto launch undercuts Coinbase, Robinhood and Schwab — a margin attack on the retail crypto take-rate, not a flow story.
December 2021
Polygon and Wanchain Partner Together to Improve Blockchain Interoperability
Polygon, the Layer 2 solution on Ethereum, has announced a partnership with Wanchain which seeks to build a bridge for cross-chain interoperability with Polygon.
Also filing this week: Rick Steves and Abdelaziz Fathi.