Bitcoin marks 18th anniversary; security challenges remain despite mainstream adoption

Bitcoin marked the 18th anniversary of its white paper release, becoming a major investment asset as it moved into mainstream finance after spot ETF approval. The article traces key milestones from the 2008 white paper and early transactions through major price surges, regulatory crackdowns and exchange failures. It says concerns persist over decentralisation as institutions expand custody and trading, while security risks include exchange hacks, potential quantum threats and declining mining subsidies.