AHMEDABAD: DAYS after the RBI issued a cautionary note regarding the use of popular virtual currency Bitcoin, Enforcement Directorate officials here raided two companies running Bitcoin transactions in India.ED officials told ET that on Thursday raids were conducted on the offices of rBitco.in and buysellbitco.in. This is India's first bitcoin raid and second globally after FBI conducted the raid in October, they said.Bitcoin is a peer-to-peer payment network and a digital currency based on an open source protocol, which makes use of a public transaction log. Bitcoin, introduced in 2009, is a type of unregulated, digital money, stored by users in the form of private key which enables transaction. The value of one Bitcoin was $2 in 2011 and which grew upto $1100 per Bitcoin at one point of time. In Indian currency the current buy rate is Rs 46,600 per Bitcoin and sell rate is Rs 44731 per Bitcoin.Ahmedabad-based company ECS Corporation , a forensic expert in IT and software, is assisting ED in these raids. The data collected from these two bitcoin sites would be analyzed by ED team aided by ECS Corporation.As per the sources, the owners of the both the bitcoin trading firm would be booked under FEMA Act initially. However, after detail investigation of the data collected, if any havala transaction or criminal nature transaction is detected then they would be booked under the appropriate Act.On Tuesday, Reserve Bank of India (RBI) issued caution against use of bitcons transaction. As per the sources, as these companies were running a trading platform for Bitcoins, they alteast need requisite permission or authorization from Reserve Bank of India (RBI) as it involves transfer of money within and the outside the country.