INT is the world’s first new generation of IoT blockchain interaction standard and basic application platform built from the bottom-up perspective from the evolution of the IoT structure system.

Designed for DApps such as smart home, Internet of Things, NFT, decentralized finance, supply chain management, Internet of Vehicles OBD equipment, supply chain finance, 5G, anti-counterfeiting traceability, charity, etc., to build a new Internet of Things ecosystem.

The IPBFT consensus protocol adopted by INT is a brand-new consensus protocol improved based on PBFT (Practical Byzantine Algorithm). The efficiency has been greatly improved and online governance has been further optimized. At the same time, the most advanced method-based on the verifiable random function (VRF) password tossing lottery is used to randomly elect verifiers, which guarantees a greater degree of security and fairness.

Comparison of IPBFT consensus and PBFT consensus

First of all, in terms of the block generation conditions, the traditional PBFT protocol generally requires more than 2/3 of the verification node to agree to be able to generate blocks. In order to ensure the consistency of the weight of the stake and the voting rights, the block generation conditions are changed from more than 2 to the IPBFT. The number of verification nodes of /3 is modified to 2/3 of the total votes, which improves the speed of block production to a certain extent. In addition, if a verification node fails to produce a block, the next round of voting will be carried out according to a certain algorithm. At the same time, the conditions for block production will be relaxed, that is, the total number of votes exceeds (2/3-1/3*R/30)*V, where R is the number of blocks produced, the maximum value is 15, and V is the current total number of votes , So if a block reaches 15 rounds, the total number of votes only needs to be greater than 50% to complete the block, which greatly increases the robustness of the INT network.

Secondly, at the level of voting message broadcasting, the communication complexity of ordinary PBFT will increase with the square of the number of nodes. When the number of nodes increases to a large number, the communication pressure on the network will become very large. In order to alleviate this problem, IPBFT establishes a leader for each round of voting, collects votes from all verifiers, and uses aggregated signatures to achieve linear communication, which greatly reduces the complexity of network communication in the case of multiple nodes. The further decentralization of the network has laid the foundation.

In addition, in terms of the selection of block producers, ordinary PBFT usually adopts the way of out of blocks in turns, while the block producers of each round of IPBFT are randomly selected by VRF. VRF is a pseudo-random generator, and its output is verifiable. , Random and unpredictable in advance. At the same time, the overall probability of a node being selected will be positively related to its own vote weight. Therefore, the leader of each round is unpredictable, and the opponent cannot attack the leader in advance, so that the entire network will be more fair and safe.

At present, INT parachain nodes are located in 13 countries around the world, and have been listed on the OKEX exchange. In order to open the Binance smart chain cross-chain bridge, Binance Exchange will be listed. INT and Binance technical team developed the Binance smart chain INT parachain cross-chain , Due to Binance’s requirements for the number of active users on the currency, the Binance Smart Chain INT Parachain will start the top mine at 21:00 on October 21, 2021, Singapore time.

Single coin mining area: BNB, BUSD, BTCB, USDT, ETH, CAKE, INT.

LP mining area: INT/USDT.

Binance Smart Chain INT official link:

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