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Blocks are validated approximately every 12 seconds on Ethereum as opposed to approximately every 10 minutes on Bitcoin. Additionally, Bitcoin has a fixed supply of 21,000,000 coins, whereas Ether has no supply cap. Ether and Bitcoin are both mined through proof-of-work and can be purchased on cryptocurrency exchanges. Ether is the cryptocurrency generated by the Ethereum protocol as a reward to miners in a proof-of-work system for adding blocks to the blockchain.
However, there is a possibility of a transition to Proof of Stake in the future where the difficulty of mining is adjusted based on the amount and time of currency held by miners . Initially, the legacy proof-of-work version of Ethereum will continue to run after the launch of Ethereum 2. In Phase 1.5, the legacy Ethereum network will change to proof-of-stake and transition to Ethereum 2 as a shard. Existing ETH tokens become fully-fungible and transactional again. As part of the transition to Ethereum 2 and proof-of-stake, there will be a one-way bridge for ETH holders to move their tokens to the beacon chain.
- "Phase 0" (or "Beacon Chain") was launched on 1 December Discover more here 2020 and created the Beacon Chain, a proof-of-stake blockchain that will act as the central coordination and consensus hub of Ethereum 2.0.
- From there, ether skyrocketed to a peak of $414 in June 2017 before correcting.
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