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.

Work Market has raised $10 million in a round led by Softbank Capital and joined by existing backers Spark Capital and Union Square Ventures.

Online payment network Dwolla has pulled in $16.5 million in a third funding round led by venture capital firm Andreessen Horowitz, according to VentureBeat. Previous investors Village Ventures, Thrive Capital, and Union Square Ventures also contributed. Dwolla raised its $5 million Series B round in February 2012.

(Reuters) – Foursquare has raised $41 million in debt financing from Silver Lake, Andreessen Horowitz, O’Reilly AlphaTech Ventures, Spark Capital, and Union Square Ventures, Foursquare founder Dennis Crowley wrote in a blog.

The New York-based media marketing firm Simulmedia has raised another $5 million in funding from Time Warner Investments, Avalon Ventures, and Union Square Ventures, according to an SEC Filing. The investors have collectively invested roughly $32 million in Simulmedia since its 2009 founding.

Hailo said it raised $30.6 million in a deal led by Union Square Ventures. The taxi app network also said it added Tom Barr, former head of the coffee business at Starbucks, as its new president and COO USA. The company has now raised $50 million.

Taxi app network Hailo has secured a $30.6 million investment led by Union Square Ventures. Entrepreneur and Virgin Group founder Richard Branson and Japanese telco KDDI also invested in the latest financing.

More U.S.-based VCs and acquirers came up to Canada in 2012, looking for good deal flow, rational valuations and inexpensive buys.

In recent years, buttoned-down New York City has become an epicenter of open-collared consumer Web startups, with one hot brand after another drawing in users and venture capital in tandem. But the city that doesn’t sleep may have to work through the night reinventing itself if investors’ growing infatuation with all things enterprise goes unabated.

Blogging platform Tumblr could soon take on new capital, adding to its valuation and arming it for its next phase of development as it courts advertisers for the first time.