|
gptkbp:instanceOf
|
consensus mechanism
|
|
gptkbp:alternativeTo
|
gptkb:Proof_of_Stake_(PoS)
gptkb:Proof_of_Authority_(PoA)
|
|
gptkbp:award
|
transaction fees
block reward
|
|
gptkbp:basisFor
|
gptkb:cryptocurrency
blockchain security
|
|
gptkbp:blockTimeExample
|
Bitcoin: ~10 minutes
Litecoin: ~2.5 minutes
|
|
gptkbp:criticizedFor
|
high energy usage
|
|
gptkbp:dependsOn
|
majority hash power
|
|
gptkbp:describedBy
|
gptkb:Bitcoin_whitepaper
|
|
gptkbp:difficultyAdjustment
|
periodic
based on network hash rate
|
|
gptkbp:disincentivizes
|
Sybil attacks
|
|
gptkbp:environmentalImpact
|
significant
|
|
gptkbp:example
|
gptkb:SHA-256
gptkb:Equihash
gptkb:Scrypt
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Proof of Work (PoW)
|
|
gptkbp:incentivizes
|
honest participation
|
|
gptkbp:introducedIn
|
gptkb:Hashcash
1993
1997
|
|
gptkbp:inventedBy
|
gptkb:Cynthia_Dwork
gptkb:Moni_Naor
|
|
gptkbp:miningInvolves
|
nonce finding
block validation
hash calculation
|
|
gptkbp:output
|
cryptographic puzzle solution
|
|
gptkbp:popularizedBy
|
gptkb:Satoshi_Nakamoto
|
|
gptkbp:powerSource
|
high
|
|
gptkbp:purpose
|
achieve consensus
secure blockchain
prevent double spending
|
|
gptkbp:requires
|
network consensus
energy consumption
computational work
mining hardware
|
|
gptkbp:roadType
|
decentralized
permissionless
|
|
gptkbp:usedFor
|
spam prevention
denial-of-service attack mitigation
|
|
gptkbp:usedIn
|
gptkb:Bitcoin
gptkb:Dogecoin
gptkb:Litecoin
Ethereum (prior to The Merge)
|
|
gptkbp:vulnerableTo
|
gptkb:51%_attack
|
|
gptkbp:bfsParent
|
gptkb:Conflux
gptkb:Proof_of_Stake_(PoS)
|
|
gptkbp:bfsLayer
|
7
|