“However to make it all a reality requires rather a lot of
developer effort and as an open source project this relies on
volunteers. So the news that an engineer has developed BitCoinJ, a
Java client that implements the simplified payment verification
mode proposed by Satoshi Nakamoto, the founder of Bitcoin, is
welcome news. His affilaition with Google is an added advantage but
BitcoinJ isn’t an official Google project but one undertaken in the
20% of time Google allows its staff to spend on personal
projects.”