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I recommend the linked article for an overview of the beacon chain. The following is basically paraphrased from there: Slots are twelve-second periods of time where blocks can be added to the beacon chain and/or shards. They can be empty, if no block is created during that slot. Blocks are, as far as I know, what they used to be - an actual block ...


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As far as I understand the time slots are static: 12 seconds per slot and 32 slots per epoch: 6,4 minutes per epoch. So it should not change. It doesn't matter if there are transactions or not, empty slots are acceptable. A slot is a simply an option for a block to be included in the Beacon chain / shards. The total hashing power of the network becomes ...


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Since you mention PoS is your question about future Eth 2.0 beacon chain or a regular contract in Eth 1.0? A smart contract in Eth 1.0 has limited access to blockchain data: hashes of previous 255 blocks access data of the calling transaction and not others access to its own storage (where previous transactions might have written to). It is possible to ...


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The contract and state relative to a chain fork are not related to the method used to reach consensus, e.g. PoS, PoW, something else. In this context, "consensus" is concerned with establishing a canonical transaction order. Given a known set of transactions in a certain order, then each node can establish what the state must be. It's deterministic, so ...


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{1} First hybrid Casper FFG paper: https://arxiv.org/abs/1710.09437 {2} New hybrid Casper FFG overview paper: https://arxiv.org/abs/1903.04205 {3} EIP1001 (also specifies constants): https://github.com/ethereum/EIPs/blob/master/EIPS/eip-1011.md Thank you for this interesting questions, during the creation of the answer I have learned a lot. 1. Does ...


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