Several mobile wallets rely on Near Field Communication technology to make contactless payments at the point of sale, and while the availability of NFC in phones is growing, the tech might need a bigger push to reach ubiquity.

Chip maker Broadcom Corp. announced last week it would share its NFC controller software stack with competitors to help advance NFC adoption. By making the software available to the Android Open Source Project and to the latest version of Google's Android mobile operating system (version 4.2 or "Jelly Bean"), Broadcom is making it possible for device makers to use its software even if they don't use Broadcom chips.

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