Atlanta-based Bitcoin services company BitPay is said to be raising a massive Series A — which one source estimates at $30 million.The investment suggests Bitcoin remains a hot investment market despite volatility in the digital currency. The fledgeling currency’s price has nosedived to about $450 from a peak of about $1,200 in December. BitPay develops software tools allow online merchants to collect payments over the bitcoin peer-to-peer payment network. Atlanta venture capital firm TTV Capital could be an investor in BitPay’s latest capital raise. TTV, which focuses on financial technology firms, recently raised a $40 million fund.Digital currencies, today, are at the same stage of evolution as the Internet was in the time of Netscape, TTV managing partner Gardiner Garrard III told Atlanta Business Chronicle earlier. Garrard declined comment on the BitPay raise.