November 2025

Why a Contactless Smart-Card Wallet Might Be the Best Way to Hold Crypto Right Now

Okay, so check this out—I’ve been fiddling with every cold-storage toy that lands on my desk. Wow! Some of them felt promising at first. Then things got messy and complicated, fast. My instinct said: there has to be a simpler, less fragile way to keep private keys offline and still make quick contactless payments when […]

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Perpetuals, HFT and the Real Liquidity Puzzle on DEXs

So I was thinking about perpetual futures the other day. Whoa! The more I dug in, the messier it looked. My instinct said liquidity was the headline problem, and then I started tracing execution flows and funding-rate arbitrage across venues. Initially I thought on-chain AMMs were doomed for high-frequency derivatives. Actually, wait—let me rephrase that:

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