When the USBs were first announced, the Bitcoin mining difficulty was about 9,000,000. It is currently 40,000,000,000, so the difficulty has increased
ASIC Miner Block Erupter Bitcoin Miner USB Stick 330 MH/s Rev 3.0 Black
ASIC Miner Block Erupter USB 336MH/s Sapphire V3 BTC Bitcoin Mining SH
ASIC USB Block Erupter Bitcoin Miner 330 MH/s - Matte Black - READ DESCRIPTION
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ASIC USB Block Erupter Bitcoin Miner 330 MH/s - Matte Black - READ DESCRIPTION
The answer is no. The ASIC Miner Block Erupter is a 330 MH/s SHA256 miner. While the Block Erupter wasn’t the first ASIC miner released, it was the
ASIC USB Block Erupter Bitcoin Miner 330 MH/s - Matte Black - READ DESCRIPTION
Five USB Bitcoin Miners in Comparison- Bitcoin Mining
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