Let’s face it, not everybody has read a that fully examines the San Francisco-based company’s business practices. You may have arrived here being uncertain about how reliable and the world’s largest exchange could be.
When a new user downloads a —coin client for the first time, it will see multiple versions of the blockchain: the longest, and therefore legitimate, , and many pretenders trying to mine their own chains from the genesis.
In stage one of Buterin’s plan, — will be used as a ‘checkpoint’ every 100 blocks, and will offer further evidence that blocks store the correct transactions (what the devs call ‘finality’). Floersch is currently coding the ‘ choice rules’ for pyethereum, the Python client.