A ‘coding and blocking system’ will identify and stop payments, according to a Reuters report.

The US’s $12 billion online gambling industry is facing crisis, with 888 Holdings, one of the largest web-betting firms, announcing that it is halting its US operations.

PartyGaming, which generates roughly 78% of its revenue from the US, is also expected to suspend its US services.

The bill requires President Bush to sign it before it becomes law. He is expected to do so in the next fortnight.