
techarena.au
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techarena.au
@auTechArena
Get the latest tech news, reviews, and analysis on AI, crypto, security, startups, apps, fintech, gadgets, hardware, venture capital, and more.













$25 in bitcoin for spending $1. Not a typo. Use @CashApp to pay with bitcoin at a Square seller and get $25 in bitcoin back. Here’s how it works: 1️⃣ Open the bitcoin map on Cash App to discover a Square business that accepts BTC 2️⃣ Spend $1+ of BTC (or Cash balance over Lightning) at a participating Square seller 3️⃣ Earn $25 in BTC* Learn more at btc.day.













Behind the Curtain: Sam Altman is doing something no tech titan has ever done: He's publishing a detailed blueprint for how government should tax, regulate and redistribute the wealth from the very technology he's racing to build and spread. axios.com/2026/04/06/beh…
















