MessageMe said it raised $10 million in a deal led by Greylock Partners. The round was joined by previous investors, the company said in a blog post. The company received a seed investment in March from True Ventures, First Round Capital, Google Ventures, SV Angel, Resolut.vc, Andreessen Horowitz, Greylock and The Social+Capital Partnership. The company had previously received angel money.

Just since April, notable firms such as Andreessen Horowitz, Founders Fund, Google Ventures and Union Square Ventures have invested $9 million in three bitcoin-related companies: BitPay, CoinBase and OpenCoin.

OpenCoin has closed an additional round of angel funding from investors Google Ventures and China-based IDG Capital Partners. OpenCoin is developing the Ripple protocol, an open source payments system and a math-based virtual currency that together power the world’s first distributed currency exchange.

This Wednesday morning read all about China’s SeedAsia that is open for business; Google Ventures’ investment in OpenCoin and the appeal of the last mile start-up accelerator.

Car sharing marketplace RelayRides has acquired car sharing platform Wheelz. RelayRides has raised more than $13 million in venture capital funding from investors including Google Ventures, August Capital, Shasta Ventures and General Motors Ventures.

Trending on peHUB this week: Carlyle, Goldman Sachs, Kleiner Perkins, TPG, Advent Software, Google Ventures, CrunchFund, GRP, Velos Partners, corporate VC, Bain, BMC, Antero Resources, Warburg.