Bitcoin DCA Guide for Vietnamese from A-Z 2026
90% of Vietnamese newbies misunderstand the true nature of "DCA Bitcoin" — which is why 2/3 drop out within six months. DCA is not "buy Bitcoin periodically and forget about it." DCA is a discipline framework with a mathematical foundation, clear execution rules, and a defined exit strategy — especially within the Vietnamese context, which has three unique considerations: P2P USDT/VND friction, the Thông tư 32/2026 tax framework effective January 2027, and income volatility due to Vietnam's economy.