Consensus

Conclusion

...sing to work on them. Any needed rules and incentives can be enforced with this consensus mechanism.

Abstract

...oin experiment is the underlying blockchain technology as a tool of distributed consensus, and attention is rapidly starting to shift to this other aspect of Bitcoin. Co...

Introduction and Existing Concepts

...f creating money through solving computational puzzles as well as decentralized consensus, but the proposal was scant on details as to how decentralized consensus could ...

Mining

...currency system, so we will need to combine the state transaction system with a consensus system in order to ensure that everyone agrees on the order of transactions. Bi...

Code Execution

...same input state and transaction must arrive at the same output state, ensuring consensus across the network. The EVM provides three distinct types of storage for compu...

Miscellanea And Concerns

... subsets of transactions, and a transition from proof-of-work to proof-of-stake consensus, which could enable more efficient block production. Light clients using Merkle...

References and Further Reading

...ecurity issues arising from fast block times and forms the basis for Ethereum's consensus mechanism. These references represent the intellectual foundations upon which E...

Introduction

...ction without trusted intermediaries, using cryptographic proof and distributed consensus to prevent double spending. In the years following Bitcoin's launch, thousands ...

Technology Stack

...hese security properties without needing to bootstrap its own mining network or consensus mechanism. Users can verify tether transactions using the same infrastructure -...

Proof of Reserves

... (destruction) transactions that have been confirmed by Bitcoin's proof-of-work consensus. The blockchain provides a perfect, continuously updated accounting of the "lia...

Challenges and Risks

...quests. Unlike Bitcoin, where the network's security derives from decentralized consensus and no single entity can prevent transactions, Tether's stability depends on th...

Abstract

While several consensus algorithms exist for the Byzantine Generals Problem, specifically as it pertain...

Introduction

...stem could operate without a trusted central authority by using a proof-of-work consensus mechanism. In Bitcoin, nodes compete to solve computationally expensive cryptog...

Definition of Consensus

... within which we analyze the correctness and performance of the Ripple Protocol Consensus Algorithm. **Server.** A server is any entity running the Ripple server softwa...

Existing Consensus Algorithms

Several consensus algorithms have been proposed to solve the Byzantine Generals Problem in distri...

Ripple Protocol Consensus Algorithm

The Ripple Protocol Consensus Algorithm (RPCA) proceeds in rounds. Each round begins when a server determines...

Formal Analysis of Convergence

... than 1/5, then no two correct servers will close different ledgers in the same consensus round. **Proof sketch.** Suppose, for contradiction, that two correct servers ...

Unique Node Lists

...h server to explicitly declare which other servers it considers trustworthy for consensus purposes. Creating additional identities provides no advantage unless existing ...

Simulation Code

...mum) to 100% (fully overlapping UNLs). The relationship between UNL overlap and consensus success was a primary focus of the simulation study. **Network latency.** Mess...

Discussion

...n of RPCA involves several deliberate trade-offs that distinguish it from other consensus algorithms. Understanding these trade-offs is essential for evaluating the algo...

Conclusion

The Ripple Protocol Consensus Algorithm represents a significant advancement in distributed consensus for pay...

References

...d Systems*, 4(3):382-401. This seminal paper formalized the problem of reaching consensus in distributed systems with faulty components, establishing that agreement is p...

Abstract

...ent 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 Tolerant repl...

Introduction

...ntal scaling limitations of existing blockchains can be removed. In traditional consensus systems like PBFT or Tendermint, every validator must communicate with every ot...

Outline

...atency. We then describe how Proof of History integrates with a Proof of Stake consensus algorithm. The consensus mechanism, Tower BFT, uses PoH as a cryptographic cloc...

Timestamp

... to control a majority of the stake, which would compromise the security of the consensus mechanism itself and is therefore outside the threat model. The PoH clock also...

Proof of Stake Consensus

Solana uses a Proof of Stake consensus mechanism called Tower BFT that is specifically designed to leverage the tempor...

Conclusion

... using sequential SHA-256 hashing. By establishing a cryptographic clock before consensus, PoH removes the coordination bottleneck that limits the throughput of existing...

Introduction

...oin with a battle-tested foundation of cryptographic security and decentralized consensus. However, Markus and Palmer made deliberate design choices that differentiated ...

Background

...d digital currencies. It demonstrated that a peer-to-peer network could achieve consensus on the state of a shared ledger without requiring a trusted central authority. ...

Technical Specifications

Dogecoin operates on a proof-of-work consensus mechanism using the Scrypt hashing algorithm. Scrypt was chosen through its inh...

Network Architecture

...blockchain and validate all transactions and blocks according to the protocol's consensus rules. Like Bitcoin and Litecoin, Dogecoin uses a gossip-based peer-to-peer pro...

Abstract

...ck size limit was the most straightforward and proven approach to scaling. When consensus could not be reached, the latter group executed a hard fork, creating a new cha...

Background: The Scaling Debate

...amics. Each proposal generated fierce debate and none achieved the overwhelming consensus needed for a non-contentious hard fork. Several attempts at compromise were ma...

Technical Specifications

...damental technical architecture of Bitcoin, including the SHA-256 proof-of-work consensus mechanism, the UTXO transaction model, the secp256k1 elliptic curve for digital...

OP_RETURN and Data Applications

... OP_RETURN metadata that could be ignored by the base protocol, CashTokens is a consensus-level feature that integrates tokens directly into the UTXO model. Each UTXO ca...

Network Architecture

...ckchain and independently validate all transactions and blocks according to the consensus rules. The network is permissionless, meaning that anyone can operate a node an...

Smart Contract Capabilities

... embedding fungible and non-fungible tokens directly into the UTXO model at the consensus level, CashTokens enables token-based contracts that are enforced by the networ...

Conclusion

...d smart contracts within the UTXO model's safety constraints. CashTokens brings consensus-enforced tokenization to the Bitcoin protocol for the first time. CashScript ma...