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MixBytes is a team made up of programmers, providing top-notch blockchain solutions and security audits for smart contracts.

Services

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Smart contract and DApp development
Development, testing and deployment tailored smart contracts with individual business logic.
We develop, test and deploy tailored smart contracts with individual business logic for specific goals. This is everything from custom ICO contracts and prototypes, to complex DAO systems utilising best practices in DApp functioning.

Our Ethereum-based solutions with proven contract code, well-performed UI and robust middleware connectivity, will ensure your DApp has all the necessary effectiveness and functionality.
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Smart contract audit
Full checklist for code vulnerabilities, identifying logical errors, requirements compliance, and security unit-testing.
In order to be completely confident of the security of your digital assets (which are governed by a smart contract), they must be duly audited by an expert third party, even before launching into mainnnet.

Our smart contract audits consist of the full set of actions, including checking for code vulnerabilities, identifying logical errors, requirements compliance, gas usage optimisation, security unit-testing and a manual review.
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Decentralized solutions development
The implementation of blockchain technology into different spheres and industries.
The implementation of blockchain technology into different spheres and industries requires the most-in-depth understanding and expertise in low-level software development and IT architecture. We provide customized services and sophisticated software developing for a wide array of purposes: cryptographic protocols, consensus algorithms, client software, and blockchain infrastructure management. To fulfill your business tasks, we create software research and develop prototypes, as well as an audit of launched solutions by third parties.
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Decentralized solutions development
The turnkey platform for a successful launch of a crowdfunding campaign with the all necessary features.
We provide a turnkey platform for a successful launch of a crowdfunding campaign with the all necessary features:
● Ethereum smart contracts set for ICO: ERC20 token, crowdsale contracts, ether vault.
● Secure and reliable payment gateways for BTC, LTC, BCH and other BTC-like currencies.
● UI for participating, monitoring tokens and ICO statistics. Embeddable into any website, with customizable design, Google E-commerce support, KYC provider integration functions.
● Administrator interface for ICO campaign management.
Smart contract and DApp development
We develop, test and deploy tailored smart contracts with individual business logic for specific goals. This is everything from custom ICO contracts and prototypes, to complex DAO systems utilising best practices in DApp functioning.

Our Ethereum-based solutions with proven contract code, well-performed UI and robust middleware connectivity, will ensure your DApp has all the necessary effectiveness and functionality.
Smart contract audit
In order to be completely confident of the security of your digital assets (which are governed by a smart contract), they must be duly audited by an expert third party, even before launching into mainnnet.

Our smart contract audits consist of the full set of actions, including checking for code vulnerabilities, identifying logical errors, requirements compliance, gas usage optimisation, security unit-testing and a manual review.
Decentralized solutions development
The implementation of blockchain technology into different spheres and industries requires the most-in-depth understanding and expertise in low-level software development and IT architecture. We provide customized services and sophisticated software developing for a wide array of purposes: cryptographic protocols, consensus algorithms, client software, and blockchain infrastructure management. To fulfill your business tasks, we create software research and develop prototypes, as well as an audit of launched solutions by third parties.
ICO solutions
We provide a turnkey platform for a successful launch of a crowdfunding campaign with the all necessary features:
● Ethereum smart contracts set for ICO: ERC20 token, crowdsale contracts, ether vault.
● Secure and reliable payment gateways for BTC, LTC, BCH and other BTC-like currencies.
● UI for participating, monitoring tokens and ICO statistics. Embeddable into any website, with customizable design, Google E-commerce support, KYC provider integration functions.
● Administrator interface for ICO campaign management.

Cases

Smart contract audit
Decentralized solutions development
Smart contract and DApp development
ICO solutions
POA Network
About:
POA Network is an Ethereum-based platform that offers an open-source framework for smart contracts. Utilizing Proof of Authority as a consensus mechanism, the idea is for POA to be an Ethereum sidechain. POA Network's solutions enrich the Ethereum ecosystem with scalability and interoperability to blockchain networks.

Deliverables:
Smart contract, backend solution and consensus algorithm audit. Performed thorough audit, found some issues (including serious ones), provided guidance on issue mitigation and further improvements. Provided code as a proof of concept of suggested ideas.

Stack used:
Solidity, JS.

Audit of POA Network Consensus Smart Contracts
Audit of PoPA Smart Contracts
Audit of bridge smart contracts in the POA Network project
SMARTZ
About:
This is a smart contract wizard and management console to configure, deploy and manage the most common type of contracts without needing sophisticated programming skills powered by friendly UI. Within the service, you can issue your own token or deploy a multisignature wallet. You can also add third party contracts to your dashboard, and have in one place all the D'Apps interesting to you (which you can track and manage).

Deliverables:
Developed standard and framework for creating templated smart contract. Implemented engine to configure, deploy and manage templated smart contracts. Developed rich set of smart-contract templates. Smart contract templates are ready-to-deploy for Ethereum and EOS networks and can be seamlessly used on the client side without interacting with the back-end. The platform features to ensure the performance of complex logic and many variants of one smart contract for different cases. Developed a front-end and back-end for for the website. Authorization system, using users' web3 provider.

Stack used:
Solidity, WebAssembly, Python, JS, TypeScript, C++, Django, React, PostgreSQL, Docker, Ansible, Consul, Prometheus, Grafana, Sentry.

Dapps distribution platform
Storiqa
About:
The first crypto marketplace which gives the opportunity to buy and sell a variety of goods for cryptocurrency in a p2p manner without extra fees, financial borders and fake reviews.

Deliverables:
Developed and launched set of smart-contracts for crowdsale: token and ICO. Implemented analytics system of ICO and funds collecting. Provided technical support and guidance on blockchain best practices.

Stack used:
Solidity, JS.

Github
SP8DE
About:
SP8DE is blockchain-based platform for unbiased public randomness. This solution is able to generate value, not only for online gambling but also for traditional brick and mortar, as well as mobile products and the nascent field of decentralized applications (D'Apps).

Deliverables:
Secured random beacon generation prototype development and research. Studied many algorithms from "commit-reveal" schemes to PVSS. Developed the prototype smart-contract for EOS, realizing promising generation scheme from Cardano (https://eprint.iacr.org/2017/216.pdf), allowing participants to generate random shares, combine them and receive provably secure random beacon to use in gambling or consensus algorithms.

Stack used:
С++, WebAssembly

Github
Boomstarter.Network
About:
Boomstarter.network is a blockchain-based crowdfunding platform with smart-contracts and crowd mining technology, that reduces the barriers for projects to raise funds.

Deliverables:
Developed payment solution for the ICO platform. Accepting Ether, Bitcoin, Litecoin, running personal cabinet and full support of all ICO process (successfully finished). Developed closed-source payment processing solution which automatically converts payments made in Bitcoin-like currencies into tokens on Ethereum blockchain. The payment solution was made with high availability in mind, secured secret keys using BIP 44 & BIP 32 which are never exposed to back-end servers, and exactly-once transaction processing semantics.

Stack used:
Kotlin, Solidity, Python, JS, Django, React, PostgreSQL, Docker, Ansible, Consul, Stolon, Prometheus, Grafana.

Providing demo version on-demand
Trust Wallet
About:
Leading secure mobile wallet for Ethereum, ERC20 and ERC223 tokens.

Deliverables:
An audit of crowdsale smart contracts for vulnerabilities.

Stack used:
Solidity, JS.

Github
KICKICO
About:
KICKICO is a platform for secure and easy fundraising for ICO, preICO, crowdfunding and crowdinvesting campaigns. The goal of the project to provide people from all over the world with an easy and convenient way to attract investments in their projects.

Deliverables:
An audit of crowdsale smart contracts for vulnerabilities, found some issues including a serious flaw in dividend distribution.

Stack used:
Solidity, JS.

Github
Worldwide Wi-Fi
About:
This is a Worldwide wi-fi platform which provides users with open internet connections for free, in exchange for being prompted to watch a short ad video when connecting.

Deliverables:
Audit of token smart contract for vulnerabilities.

Stack used:
Solidity, JS.

Github
MixBytes EOS BP
About:
This is a Block-producer's nodes for EOS mainnet network and testnet. Participation is in the network launch.

Deliverables:
Launched EOS mainnet and testnet nodes. Developed docker infrastructure, monitoring tools, and voting app. Developed of helper scripts, allowing "truffle"-like testing of smart-contracts.

Stack used:
Bash, Docker, Ansible, C++, JS, WebAssembly.

Github

About us

>$50M
collected with our developed and audited smart contracts
>11500
expertise hours shipped
>300000
lines of code written and audited
>50
GitHub repositories
Stack
Blockchains
С++
Java
Java Script
Type Script
Python
Solidity
Web Assembly
Rust
Bitcoin
Ethereum
EOS
Bitshares
Steem
Polkadot

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