Proof-of-Work (for Sybil resistance)

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:algorithm Sybil resistance mechanism
gptkbp:alternativeTo	gptkb:Proof-of-Stake Proof-of-Authority
gptkbp:assumes	majority of computational power is honest
gptkbp:award	transaction fees block reward
gptkbp:category	Byzantine fault tolerance blockchain security
gptkbp:criticizedFor	environmental impact high energy consumption
gptkbp:difficultyAdjustment	periodically updated
gptkbp:enables	decentralized consensus
gptkbp:example	gptkb:Ethash gptkb:SHA-256 gptkb:Scrypt
https://www.w3.org/2000/01/rdf-schema#label	Proof-of-Work (for Sybil resistance)
gptkbp:influenced	gptkb:cryptocurrency cryptocurrency design
gptkbp:influencedBy	gptkb:Hashcash Dwork-Naor proof-of-work
gptkbp:mechanismOfAction	miners solve cryptographic puzzles
gptkbp:notableFor	gptkb:Bitcoin gptkb:Ethereum_(pre-merge) gptkb:Dogecoin gptkb:Litecoin gptkb:Monero gptkb:Zcash
gptkbp:popularizedBy	gptkb:Satoshi_Nakamoto gptkb:Bitcoin_whitepaper
gptkbp:prevention	Sybil attacks double-spending
gptkbp:proposedBy	gptkb:Cynthia_Dwork gptkb:Moni_Naor 1993
gptkbp:purpose	achieve consensus prevent Sybil attacks
gptkbp:relatedTo	gptkb:Hashcash gptkb:Proof-of-Stake gptkb:Cuckoo_Cycle
gptkbp:requires	hash functions computational work nonce discovery
gptkbp:usedFor	gptkb:cryptocurrency email anti-spam spam prevention distributed ledgers
gptkbp:usedIn	gptkb:Bitcoin gptkb:Ethereum_(pre-merge) gptkb:Litecoin
gptkbp:vulnerableTo	gptkb:51%_attack
gptkbp:bfsParent	gptkb:Zilliqa_Blockchain
gptkbp:bfsLayer	6