Starbreeze announces the addition of "Steam Economy" to PAYDAY 2, which is another way of saying microtransactions are now part of the heist game. Here's word on purchasable drills, sellable weapon skins, and the commencement of this year's Crimefest:

Starbreeze AB, an independent creator, publisher and distributor of high quality entertainment products, today announced the introduction of Steam Economy to its action packed co-op shooter PAYDAY 2, also marking the start of the 2015 Crimefest Community Event.

On Thursday the Black Market: Vlads Weapon Deal update will go live which will add new random item drops as you play PAYDAY 2. When a player receives a Safe, the player can purchase a Drill for 2,19€ / 2,49$ that can then be used to open the safe. When the safe opens, the player receives a weapon skin item of varying quality that can be used, traded or sold using the Steam Community Market. The community driven marketplace decides the value on each item bought or sold.
At launch, the Black Market Update comes with two safes, the Crimefest II and the Sputnik, see more about the safes here: http://www.overkillsoftware.com/games/blackmarket/

Crimefest is a 10 day long annual event hosted for the PAYDAY community to celebrate everything PAYDAY. The event coincides with the original release of PAYDAY: The Heist, the first game in the PAYDAY series.

For more information about the second installment of Crimefest, please read here: http://www.overkillsoftware.com/games/crimefest2015/