DORSEY VS ARMSTRONG: BITCOIN TAX BATTLE Block Inc. founder Jack Dorsey has openly urged Coinbase CEO Brian Armstrong on X to champion a 'de minimis' tax exemption for small $BTC transactions. With IRS rules tightening in 2026, threatening Bitcoin's use as daily currency, proposals like Sen. Cynthia Lummis’ $300 transaction threshold bring a critical lifeline. This clash could redefine Bitcoin's path to mainstream utility.