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Security |
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"Block Security Protocol" (BSP)
Employs a BSP to implement the signature function on each data bock during PoA cosnensus. Only the blocks with authorized signatures can be mined and accepted.
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Transactions are confirmed and validated through validator nodes.
The more trusted validators in the network, the harder it will be to control and change the ledger as an outside attack.
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Public Blockchain with security features built in.
Lamport digital signature algorithm. Claims to be resistant to quantum computer attacks.
Customized P2P network with data storage encryption, location transparency, source nontraceability
Merkle Patricia Trie data structure
Although the hash algorithm built into Bitcoin and Ethereum is secure with todays technology from brute force attacks, quantum computing may support enough computational power to compromise these algorithm.
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Permissioned Aspects
Only permissioned parties can view the raw transactional data stored in the public blockchain. To all others, it will be hashed and secured.
Anyone can become a node, but there is a hard cap of 101 Authority Nodes. It requires a great deal of transparency and public capital to become a node.
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Permissioned
Anyone can become a validator, but will only be relevant if trusted.This provides public support for infrastructure, but keeps the transaction nature private when needed.
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Permissionless
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Yes
Transaction Data Privacy Protocol (TxDP): Ensures privacy of transaction data.
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Transaction information on the ledger is public, but payment information is not.
This means that in the event of a security breach, no personal financial information can be compromised through this network.
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Based on zero knowledge proof. Hides the send, receipt address and transfer amount.
Similar in function to the zk-SNARK feature Ethereum added during their Metropolis release.
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Algorithms |
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Proof of Authority
Consists of 101 Authority Nodes that are controlled by separate, self-interested entities. Due to the variety of companies, this will secure the network and ensure a trustless environment. PoA allows for a higher number of TPS than PoW and PoS, meaning VeChain can support up to 10,000 TPS.
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Ripple Protocol Consensus Algorithm
70+ validators
Applied every few seconds by all nodes. Once consensus is reached, the current ledger is closed. Most recently closed ledger is known as the last closed ledger and is the basis of the distributed ledger.
For more information: https://vimeo.com/64405422
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Fast Paxos PoS variant.
The consensus of TRON adopts a three-step strategy.
1. Kafka-based technology system: implement a centralized consensus algorithm.
2. Raft-based distributed consensus mechanism: realize the centralized and distributed leapfrogging. Improves network function/distribution and lays the foundation for distribution with no logical center.
3. Consensus mechanism of Proof of Stake and realize the Byzantine Fault Tolerant Consensus.
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Efficiency |
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No data
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Fast
3-4 seconds : set to improve with future updates. See future planned work.
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Moderate
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Block Confirmation Time
Details
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Fast
Set during launch at 10 seconds, and will be iterated after use.
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TBD
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Fast
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Development |
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Proprietary Codebase
Details
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Open source with proprietary applications
https://github.com/vechain
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Open source with proprietary applications
The Ripple protocol is open source: https://github.com/ripple . Proprietary work is xCurrent, xRapid, xVia
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Open source but goverened by the TRON organization
Built on Ethereum, but planning to move to own main net in June 2018
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General |
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Blockchain / DLT type
Details
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Public
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Permissioned Network, Public Architecture
Ripple uses a decentralized network, but has trusted validator nodes who confirm transactions through the 'last closed ledger'.
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Public
Open source public blockchain fuelled by cryptocurrency.
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Yes
VeChain exists as a platform to be developed on. Meaning the core features and services can be applied in a number of industries. Some utilizing IoT, some just using the consensus mechanism.
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Yes
3 different plug and play offers on top of the protocol layer for specific needs: xCurrent, xRapid, xVia
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Similar to Ethereum:
Generic, with DApp and Smart Contract support for wider applications
It is not modularity that stands out but the provision of a generic platform suitable for various types of transactions and applications
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50 - 10,000 TPS
50 TPS is currently the maximum. Once VeChain moves to thier mainnet, they plan to scale their TPS to 10,000. This will enable Enterprise level support for financial and sensor data.
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1500 TPS with potential of tens of thousands through Ripple Payment Channels
While it does not compare to the tps of a Visa transaction (~150,000), Ripple offers a stable solution for the size it it currently at.
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Currently supports 15 TPS as it is on the Ethereum platform. Will be able to support up to 1000 TPS once main net launches
Scalability is a core feature for TRON. They want to be able to support large commercial projects, while minimizing transactions fees and time.
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Depends on implementation
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Large
The ledger is constantly refreshed as soon as there is a new input in the network. The last closed ledger model is different from the blockchain, in that there are no history of blocks for the distributed ledger.
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Varies
https://tronscan.org/#/blockchain/stats
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