Why do Eli5 bitcoin mining have to complete a CAPTCHA? Completing the CAPTCHA proves you are a human and gives you temporary access to the web property.
What can I do to prevent this in the future? If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Another way to prevent getting this page in the future is to use Privacy Pass. Enter the characters you see below Sorry, we just need to make sure you’re not a robot. For a broader coverage of this topic, see Bitcoin. The bitcoin network is a peer-to-peer payment network that operates on a cryptographic protocol.
The network requires minimal structure to share transactions. An ad hoc decentralized network of volunteers is sufficient. Messages are broadcast on a best effort basis, and nodes can leave and rejoin the network at will. Upon reconnection, a node downloads and verifies new blocks from other nodes to complete its local copy of the blockchain. An actual bitcoin transaction including the fee from a webbased cryptocurrency exchange to a hardware wallet.