cardano-en

Plutus – Cardano web3 solution architecture

Plutus is Cardano's smart contracts platform. We develop web3 solutions for Cardano in Haskell. Cardano is based on EUTXO, as is Bitcoin.

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cardano-intro-en

Cardano – key features of the 3rd generation blockchain

Cardano is built on Haskell and based on the dedicated Ouroboros consensus algorithm. The blockchain's cryptocurrency is ADA.

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chainlink-features

Learn about the Chainlink ecosystem features for web3

Chainlink Oracles, data feeds, VRF and automation - these are leading features of Chainlink available for smart contracts and web3

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data-feeds-v2-en

Data feeds – free data sources for smart contracts

Data feeds are data "produced" by oracles, published on the blockchain, available to be read for free by smart contracts.

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optimal-oracles

Optimal strategy for safe Oracles use in web3

The oracle's business model is to execute off-chain (off-blockchain) queries and return them to the contract in exchange for a fee, which the contract pays by asking oracles for off-chain data.

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0 Comments3 Minutes

oracles-v2

How to achieve decentralization using Oracles in blockchain?

So how do we create a decentralized oracle? The model is as follows: a contract should ask several oracles to execute the same query, get results from each oracle, and then determine the correct answer on its own based on multiple results (answers…

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how-oracles-work

How to read non-blockchain data in smart contracts and how Oracle works?

External data to the smart contract (from outside the blockchain) can be provided only, as parameters (arguments) of its call. Oracles are software running outside the blockchain, which listens for "requests" by smart contracts for external data,…

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0 Comments3 Minutes

1400-btc-loss

Lessons learned from 1400 Bitcoins loss

The recent news about 1400 bitcoins loss caused a lot of buzz: the amount of Bitcoins worth about 16.3 million $, not any kind of exchange hack, all happened using Electrum wallet - one of the oldest and still very popular Bitcoin wallet. I share…

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How to deploy chaincode in Hyperledger Fabric 2.0?

With the new release of Hyperledger Fabric 2.0 the lifecycle of chaincode has been changed. It implies also the changes in the chaincode deployment process - what basically means that commands used to deploy chaincode in < 2.0 release (no matter if…

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0 Comments10 Minutes

Truffle Suite – Ethereum developer toolbox: Truffle.

Truffle Suite is the tool pack dedicated to Ethereum developers (focusing on smart contracts). That very actively developed project is currently one of the most popular frameworks for implementing, testing and running Ethereum based decentralized…

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0 Comments15 Minutes