The urgency to complete the credit card security protocol for Internet payments may be a case of hurrying up just to slow down.

The protocol, known as SET, is what computer ex-perts call CPU- intensive. It re-quires so many calculations by computers' central processing units that transactions could slow to a crawl, a likely turnoff to Internet surfers with anything but the most powerful computing devices.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.