Bitcoin's roller-coaster price swings on Wednesday were caused by an influx of new buyers and software that couldn't keep up, according to the largest exchange, Mt. Gox.
An online electronics retailer, Bitcoinstore, has had such a successful trial run accepting only bitcoins for payment that it will continue operating.
The largest bitcoin exchange said Thursday it is fighting an intense distributed denial-of-service attack it believes is intended at manipulating the price of virtual currency, which has seen volatile price swings in the past few days.
An online bitcoin storage service, Instawallet, said Wednesday it is accepting claims for stolen bitcoins after the company's database was fraudulently accessed.
If Samsung indeed plans to open up mini-stores inside of Best Buy, it'll be copying a page out of Apple's playbook.
Walmart may take an original angle in the same-day shipping wars by enlisting its customers to help deliver packages beyond major cities.
Google wants to take the immediacy of online search and apply it to something a little more tangible: retail. Starting Thursday, a small pool of shoppers can begin to test out an experimental same-day delivery service for certain products bought online.
The U.S. Senate has overwhelmingly passed a nonbinding proposal to allow states to collect sales tax on Internet sellers that have no presence within their borders.
Congress is expected this week to take up a non-binding amendment to test support for online sales tax collections.
Amazon.com and bitcoin now have an interesting link: A popular e-commerce shopping cart for merchants can now accept bitcoin payments and move orders to Amazon for shipping.