Development

What consensus algorithm is ICON based on?
ICON is based on a proprietary, high-performance consensus algorithm that supports BFT (Byzantine Fault Tolerance) called LFT (Loop Fault Tolerance).
Wed, 12 Dec, 2018 at 8:45 AM
What is the LFT Algorithm?
LFT, an improved algorithm from PBFT of the BFT series, has reduced the overhead problems using Piggybacking techniques and has resolved the problems of mali...
Thu, 13 Dec, 2018 at 9:09 AM
How advanced is the loopchain-based LFT algorithm compared to PoW and PoS in regards to the speed and transaction processes?
The former consensus algorithms, including the PoW and PoS, required all nodes to reach a consensus by deciding the validity and priority of the blocks. Thes...
Thu, 13 Dec, 2018 at 9:18 AM
Does loopchain have its own unique language for smart contracts?
Unlike Ethereum where developers can use only certain languages available on EVM, ICON offers a self-developed smart contract platform called SCORE. Currentl...
Thu, 13 Dec, 2018 at 9:20 AM
What languages are supported to build on the ICON network?
Currently you can build on the ICON network using Python, Java or Javascript SDK.  
Wed, 12 Dec, 2018 at 8:47 AM
What is SCORE?
SCORE (Smart Contract on Reliable Environment) is a smart contract running on the ICON network. A contract is a software that resides at a specific address o...
Thu, 13 Dec, 2018 at 9:37 AM
Who can participate in developing and distributing SCORE?
Anyone can access and deploy SCOREs. For more information on SCORE, please check the ICON Github or ICON Dev Portal. https://www.icondev.io/score01.do ht...
Thu, 13 Dec, 2018 at 9:42 AM
What is T-Bears?
T-Bears is a suite of development tools for SCORE. T-Bears provides a project template for SCORE to help you start right away. You can code and test your sm...
Wed, 12 Dec, 2018 at 8:48 AM
Are C-Nodes from other blockchains connected with Nexus allowed to utilize DApp if they are not a Nexus-Client?
No, Smart contracts are executable only inside one blockchain, which makes a DApp unable to be directly executed. However, through interlocking the BTP tran...
Thu, 13 Dec, 2018 at 10:13 AM
What are the functions and purposes of each node regarding ICON DApps?
The actual operation of smart contracts for DApps occurs within the P-Reps/C-Reps. Citizen nodes and light clients can only trigger smart contracts and look ...
Thu, 13 Dec, 2018 at 10:15 AM