Polish businesses capped at 15,000 PLN cash per transaction with bank transfers mandatory above. Individuals face no formal cash limit but banks block large property transfers without in-person approval. Banks report transactions over 15,000 euro to financial intelligence unit. EU requires member states to cap cash at 10,000 euro equivalent from 2027 with lower limits allowed. Spain demands pre-reporting for cash withdrawals over 3,000 euro with 72-hour notice for over 100,000 euro. Hungary constitutionally protects cash payments against restrictions. Canada froze protester bank accounts under emergency powers. Cash curbs eliminate gray economy, drug trade, and boost state tax revenues. Banks in Poland limit daily transfers to 200,000 PLN for individuals after document checks. Trend pushes society toward total cash elimination requiring national debate.