Proof of Stake
Consensus Mechanisms
6 references
A consensus mechanism where validators stake assets and are selected to propose/attest blocks. Security comes from economic penalties (slashing) for invalid behavior.
Appears in 6 whitepaper sections
$ETH
Ethereum
Introduction and Existing Concepts
...t the node brings. Since then, an alternative approach has been proposed called proof of stake, calculating the weight of a node as being proportional to its currency holding...
Miscellanea And Concerns
...ocess different subsets of transactions, and a transition from proof-of-work to proof-of-stake consensus, which could enable more efficient block production. Light clients us...
$SOL
Solana
Abstract
...oves that an event occurred at a specific moment in time. When used alongside a Proof of Stake consensus algorithm, PoH can reduce messaging overhead in a Byzantine Fault Tol...
Outline
... confirmation latency.
We then describe how Proof of History integrates with a Proof of Stake consensus algorithm. The consensus mechanism, Tower BFT, uses PoH as a cryptogr...
Proof of Stake Consensus
Solana uses a Proof of Stake consensus mechanism called Tower BFT that is specifically designed to leverage ...
Performance
...-work blockchains (which require minutes) and comparable to or faster than most proof-of-stake systems.
Related Stories
Whitepaper Deep Dive
Cardano's Ouroboros: The First Provably Secure Proof-of-Stake Protocol
Dissecting Cardano's peer-reviewed approach to proof-of-stake, UTXO accounting, and the separation of settlement and co…
Whitepaper Deep DiveAlgorand: Pure Proof of Stake and Cryptographic Sortition
Silvio Micali's approach to achieving consensus without forks: VRF-based committee selection, BA⋆ agreement, and instan…
Technical ExplainerProof of Stake Explained: Validators, Staking, and Slashing
Understanding how PoS blockchains replace energy-intensive mining with economic staking, and the mechanisms that keep v…
Impact & LegacyThe Merge and Beyond: How Proof-of-Stake Solved Crypto's Energy Problem
Ethereum's switch from PoW to PoS cut its energy consumption by 99.95%. What this means for the industry's environmenta…