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搜索结果: 1-14 共查到军队指挥学 Proof of Stake相关记录14条 . 查询时间(0.093 秒)
Proof-of-stake (PoS) blockchain protocols are emerging as one of the most promising alternative to the energy-consuming proof-of-work protocols. However, one particularly critical threat in the PoS se...
Proof-of-stake (PoS) has been shown to be a suitable replacement—in many respects—for the expensive proof-of-work mechanism introduced by the Bitcoin protocol. Nevertheless, one common and seemingly i...
We present "UniqueChain", a proof-of-stake based blockchain protocol that achieves secure initialization of newly joining parties without any additional trusted assumptions and fast messages (transact...
We provide the first formal definition of what a sidechain system is and how assets can be moved between sidechains securely. We put forth a security definition that augments the known transaction led...
We present Ouroboros Crypsinous, the first privacy-preserving proof-of-stake (PoS) blockchain protocol. To model its security we give a thorough treatment of private ledgers in the universal compositi...
Proof-of-stake (PoS) protocols are emerging as one of the most promising alternative to the wasteful proof-of-work (PoW) protocols for consensus in Blockchains (or distributed ledgers).
Proof-of-stake-based (in short, PoS-based) blockchains aim to overcome scalability, effi- ciency, and composability limitations of the proof-of-work paradigm, which underlies the security of several m...
We describe a general attack on proof-of-stake (PoS) blockchains without checkpointing. Our attack leverages transaction fees, the ability to treat transactions "out of context," and the standard long...
Bitcoin has proven to be very successful. The Bitcoin blockchain is backed up by a large-scale network of miners via proof-of-work mechanism. Unfortunately, these miners consume huge amount of non-rec...
We present “Ouroboros Praos”, a new proof-of-stake blockchain protocol that provides, for the first time, a robust distributed ledger that is provably secure in the semi-synchronous adversarial settin...
Although the transactions on the Bitcoin blockchain have the main purpose of recording currency transfers, they can also carry a few bytes of metadata. A sequence of transaction metadata forms a subch...
We design and implement TwinsCoin, the first cryptocurrency based on a provably secure and scalable public blockchain design using both proof-of-work and proof-of-stake mechanisms. Different from the ...
We present a provably-secure blockchain protocol based on “proof of stake.” As far as we are aware, this is the first proof of stake blockchain protocol which provides rigorous security guarantees. Th...
We propose a new protocol for a cryptocurrency, that builds upon the Bitcoin protocol by combining its Proof of Work component with a Proof of Stake type of system. Our Proof of Activity (PoA) protoc...

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