Custom blockchain development company

Let's build

a DEX platform
an NFT marketplace
a lending protocol
a Web3 product
a crypto wallet
a ZK rollup
a dApp
a DeFi product
a blockchain-based MVP

Build your Web3 solution with us, top quality guaranteed

Rumble Fish is a blockchain development house specializing in robust decentralized product development.
We’ve worked with the biggest players in the blockchain industry helping them achieve their goals. Join them!

Services

Blockchain development with Rumble FishAt Rumble Fish, we are experts in incorporating complex blockchain concepts into beautiful and functional Web3 products. We put extra care into seamless user experience and know how to create blockchain products that people love to use. Try us!

At Rumble Fish, we specialize in developing secure and efficient smart contracts using Rust, a programming language renowned for its performance and reliability. Rust's safety features, such as memory safety and concurrency control, make it an ideal choice for building robust smart contracts that minimize vulnerabilities and maximize efficiency.
Our team of blockchain researchers and developers leverages Rust to create smart contracts that power a variety of blockchain-based applications, from decentralized finance (DeFi) platforms to NFT marketplaces and beyond. We focus on delivering clean, maintainable code that adheres to best practices, ensuring that your smart contracts are not only secure but also upgradeable and scale as your project grows. If your goal is to develop a Solana program (in the Solana ecosystem smart contracts are called programs), Rust should be the first language to consider.
Whether you're looking to automate rucomplex financial transactions, manage digital assets, or implement custom blockchain protocols, our smart contract development services in Rust offer the reliability and performance you need. We work closely with you to understand your specific requirements and objectives, crafting bespoke solutions that align perfectly with your business goals.
At Rumble Fish, we are committed to pushing the boundaries of what's possible with blockchain technology, and our smart contracts development in Rust is a key part of that mission. Let us help you harness the power of Rust to create innovative, secure, and scalable blockchain solutions.

Embark on a transformative journey into Web3 with Rumble Fish as your dedicated development partner. Our expert team navigates the dynamic landscape of blockchain technology to deliver top-tier Web3 product development services. From ideation to deployment, we ensure your project not only meets but surpasses industry benchmarks.

Web3 products are innovative solutions leveraging decentralized technologies to create more transparent, secure, and user-centric digital experiences. Our Web3 products are crafted with a keen understanding of user experience and the latest technological advancements. Join the ranks of forward-thinking enterprises that have entrusted us to redefine their digital presence in the Web3 era. Explore limitless possibilities and elevate your online presence with Rumble Fish's Web3 product development expertise.

We specialize in crafting secure and customizable crypto wallets designed to meet the unique requirements of your project. Whether you're launching a new decentralized application or upgrading an existing one, Rumble Fish is your reliable partner for bespoke Wallet Development solutions. We utilize the power of Account Abstraction to design and develop user-friendly, and technologically robust EIP-4337 wallets. You can also shortcut the development process and use our white-label EIP-4337 wallet, Devil Wallet.

At Rumble Fish, we understand that your users' security is paramount. Our Wallet Development services focus on providing a seamless and secure environment for cryptocurrency transactions within the context of your specific Web3 product. Partner with us to integrate a customized wallet solution seamlessly into your project, enhancing its functionality and user experience.

Dive into a realm of innovation with Rumble Fish's dApp Development services, where creativity meets decentralized technology. We specialize in sculpting immersive and industry-tailored decentralized applications that redefine user experiences. Beyond just functionality, we infuse personality into your dApp, ensuring it's not just an application but a captivating journey for your users.

Enabling this journey, Rumble Fish brings forth a unique blend of technological finesse and creative ingenuity to sculpt dApps that stand out amidst the decentralized tapestry. Our approach is more than development; it's the crafting of digital adventures that imprint lasting impressions. Unleash the potential of your ideas with Rumble Fish's dApp Development services. From conceptualization to deployment, we're not just developers; we're creators of digital experiences that leave a lasting impact. Partner with us, and let's embark on a journey to make your dApp not just a product but a captivating narrative in the decentralized story.

If you’re looking for a team of devs capable of crafting bespoke defi products - look no further! At Rumble Fish, we’re seasoned in custom defi product development - from decentralized exchanges through NFT marketplaces to fully state-of-the-art unique solutions. Our blockchain development expertise allows us to analyze the viability of your idea, develop an MVP in record time, and act not only as a development service provider but also as an advisor on the best tech solutions for your defi product.

Defi product development requires not only technical expertise and know-how but also an understanding of the market intricacies and industry standards. That’s why our tech team is a perfect partner to help you along the way. Contact us and let’s create something awesome together!

Empower your crypto business with a tailored decentralized exchange (DEX) crafted by our top-tier blockchain developers. Our DEX solution boasts a diverse range of trading functionalities, seamlessly operating across multiple blockchain networks. Elevate your operations to new heights with our specialized decentralized exchange development services.

Count on our developers to design a custom DEX platform, offering your users secure, instant trading experiences for DeFi tokens and NFTs. Our tailored software adheres to the utmost industry benchmarks, ensuring seamless trading processes, robust cybersecurity protocols, and technical prowess in chosen blockchain solutions to meet the highest expectations of even the most demanding audience. Our DEX platforms can include features such as swapping, DAO voting, liquidity pools, lotteries, AMMs, and more. Let’s work together!

Blockchain is not only about cryptocurrencies, NFTs, and DEX platforms. As a powerful technology, it can be utilized across various industries such as logistics, energy trading, gaming, medicine, and more. If you have a specific concept but lack the technical prowess to verify its viability - we’re here to help you. Rumble Fish blockchain devs are top-tier experts in building state-of-the-art Web3 products.

Harnessing the power of blockchain technology opens doors to unparalleled efficiency, transparency, and security across a multitude of sectors. Whether you're envisioning decentralized supply chains or immutable medical records, our team is equipped with the expertise to turn your ideas into reality, driving forward the next wave of innovation. Let’s talk about your concept!

Our comprehensive smart contract development services encompass every stage from conceptualization and coding to rigorous testing and deployment. Leveraging our profound proficiency in diverse smart contract programming languages, we empower enterprises to automate processes, optimize workflows, and trim operational expenses. Our blockchain devs can also audit your smart contracts and optimize them so that your products are safe, secure, and in line with industry standards. We are well versed in Account Abstraction (EIP-4337) and other crucial Ethereum protocols.

Furthermore, the Rumble Fish team ensures the utmost security and reliability of your smart contracts through meticulous auditing and ongoing maintenance. By entrusting us with your smart contract development needs, you're investing in a seamless transition towards efficient and trustworthy decentralized operations. Schedule a call with our team today!

Our NFT marketplace services enable you to effortlessly launch robust NFT marketplaces on various blockchain networks, including Ethereum, or Avalanche. Our comprehensive offerings encompass NFT creation, storefront exploration, wallet integration, bid placement, and secure NFT storage solutions.

If you’re on the lookout for a team able to design and develop a secure NFT marketplace that your users will love, look no further! Gaming, crypto collectibles, music, art, real estate? No matter your industry we have just the right tools and expertise to launch your NFT marketplace in record time. Try us!

TechStack

Our tech stack:

Aave

Account Abstraction

Alchemy

Arbitrum

Balancer

Balancer Pools

Bitcoin

Chainlink

Circle

Circom

Compound

ENS

Ethereum

Ethers

EVM

Gnosis Multisig

Gnosis Protocol

Hardhat

IPFS

libp2p

Matic/Polygon

MetaMask

Oasis Network

Optimism

OrbitDB

Ox SDK

Polygon

Solidity

Subgraph

Synpress

Rust

Typechain

UMA

Uniswap

USDC

Vyper

Yearn

ZKSync

We design and develop our own Web3 products - check them out!

Deva Wallet - mobile web3 wallet with the simplest onboarding flowWith the introduction of EIP-4337, known broadly as Account Abstraction, we’ve entered a new era of Web3 accessibility and adoption. At Rumble Fish, we understand the market tendencies and current and future customer needs. That is one of the reasons for developing our own Account Abstraction wallet - the Deva Wallet.

Deva Wallet is an EIP-4337 mobile wallet redefining the way users interact with Web3 and smart contracts. It has the simplest onboarding flow - no more complicated transactions, just a simple QR code to enter the world of Web3.

Deva Wallet - let web2 users into your web3 app!

EVM Debugger - analyze the EVM transaction in one simple step

We’re a team of blockchain developers on a mission to make Web3 solutions more accessible to everyday users. We have years of experience in commercial projects like crypto exchanges, lending protocols, NFT marketplaces, and more, and we also like to contribute to the broader developer community by building free tools.

Our own free tool for EVM developers - EVM Debugger - is a unique solution for blockchain developers that enables easy and user-friendly analysis of EVM smart contracts.

Our workAt Rumble Fish, we excel at crafting bespoke blockchain solutions that exceed expectations. See some of our projects below.

Angle Labs

Porting Merkl to Stellar: Full Protocol Migration to Soroban

Merkl is the leading onchain incentive infrastructure, having distributed over $1.6B in rewards for 250+ companies across 60+ chains.

Bridging Tari to Ethereum: WXTM & Secure Tokenization

Tari is an innovative L1 protocol focused on digital assets and privacy-preserving smart contracts. As a relatively new blockchain entering the crypto landscape, Tari faced a critical challenge: how to integrate their native XTM tokens with the broader DeFi ecosystem to enable trading, liquidity provision, and participation in decentralized finance protocols.

Debugging EVM Smart Contracts Made Easy

EVM Debugger was born from a simple observation: blockchain developers needed better tools to understand what happens inside their smart contracts. While building blockchain solutions for clients, our team at Rumble Fish recognized a significant gap in the developer tooling ecosystem.