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Tatum

Open-source Web3 SDK for multi-chain development

Overview

Tatum provides an open-source SDK that helps developers build Web3 and blockchain apps without managing individual nodes, supporting 90 protocols through a single framework. Developers integrate the SDK to access multiple blockchains via unified APIs, simplifying the learning curve. Unlike providers that focus on a single chain or require running nodes, Tatum offers broad protocol coverage and free access with premium features plus an educational platform. Its goal is to make blockchain development faster and more accessible by giving developers easy tools and a community to bring Web3 apps to market.

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About Tatum

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Industries

Data & AnalyticsEnterprise SoftwareCrypto & Web3

Company Size

51-200

Company Stage

Early VC

Total Funding

$41.7M

Headquarters

Miami, FL

Founded

2017

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Funding

Total Funding

$41.7M

Above

Industry Average

Funded Over

3 Rounds

Early VC funding comparison data is currently unavailable. We're working to provide this information soon!
Early VC Funding Comparison Coming Soon

Benefits

  • Hybrid Work Options

Company News

Walrus
Apr 14th, 2026
Tatum integrates Walrus to accelerate blockchain data access for developers and AI agents.

Tatum integrates Walrus to accelerate blockchain data access for developers and AI agents. Walrus Foundation. Tatum, a leading blockchain infrastructure provider trusted by Chainalysis, TRM Labs, and xPortal, is making 11 TB of historical blockchain datasets available through Walrus. The integration unlocks significant efficiency improvements for developers, businesses and AI agents building on blockchain data. From bottlenecks to instant access. To date, accessing large-scale blockchain datasets, including transaction histories, logs, and indexed block data, meant relying on slow, costly, and sequential RPC-based data reconstruction. With Walrus, Tatum is replacing that with instantly accessible datasets optimized for analytics, machine learning, and large-scale consumption. "At Tatum, our mission has always been to make blockchain development as simple and accessible as possible," said Dion Cornett, CEO of Tatum. "By partnering with Walrus, we're taking a major step forward - not just by simplifying how developers access blockchain data, but by changing how it's delivered while maintaining decentralization. Our partnership clears the path for developers to access decentralized data with the same speed and simplicity as a centralized solution." Structured data, ready for AI. Walrus enables Tatum to package and distribute blockchain data as structured, programmable files directly onchain, without relying on centralized storage or custom delivery pipelines. By eliminating the need for custom pipelines, Tatum's data becomes ready for agentic AI workflows, empowering developers to train models on onchain activity with unprecedented efficiency. "We built Walrus to make data verifiable and globally available. Our work with Tatum is another strong example of what that makes possible," said Rebecca Simmonds, Managing Executive of the Walrus Foundation. "As autonomous agents increasingly interact with blockchain data, being able to verify where that data came from, and have it be highly performant, is mission-critical. We're giving builders and agents what they need to work with onchain data at scale." Phase one and what comes next. The first phase of the integration includes complete historical datasets for Ethereum, Bitcoin, and Binance Smart Chain (BSC), with more to follow from Tatum's 100+ supported networks. The integration opens the door to future onchain data products, including transaction histories, pricing data, and portfolio datasets offered as directly consumable assets, along with new monetization models built around packaging blockchain data.

The Recursive
Jan 26th, 2024
Unveiling 5 Soon-To-Be Unicorns For 2024 In Cee

“Hunting” for unicorns isn’t an easy job. Nevertheless, they are not as rare as they once seemed, despite the obstacles startups are facing nowadays.Just two weeks ago, we shared with you our CEE VC Investors Playbook for 2024, based on a survey we conducted. Undoubtedly, this year is going to be crucial for startups, after the optimistic 2021 and early 2022, when fundraising wasn’t that of a challenge.On the other hand, the majority of the surveyed investors expressed optimism towards emerging unicorns.We gathered a list featuring some of the mentioned companies to share our latest compilation of soonicorns for 2024. It’s important to highlight that Eleven Labs, one of the startups pointed out by the investors in our survey, already achieved unicorn status this week!TatumTatum, a blockchain development platform, closed their last funding round in 2022. They secured $41.5 M in Series C, with leading investors Evolution Equity Partners, as well as Octopus Ventures, 3VC, Tensor Ventures, Depo Ventures, Leadblock Fund, Circle Holdings, and founders of Bitpanda.The Czech-founded startup was established in 2018 by Jiri Kobelka and Samuel Šramko. The main focus of the platform is to assist developers in building applications on the blockchain, simplifying the development of over 40 blockchain protocols.The company has over 90K customers with offices in the UK and the US, according to their data.MewsMews, a startup with Czech-born co-founder and CEO Richard Valtr, is a cloud-based hotel property management system

crypto.news
Sep 13th, 2023
Horizen partners with Tatum to simplify dapp development on EON

Horizen, a platform focusing on scalability and interoperability, has partnered with Tatum to ease dapp development on EON.

SVJ Media Ltd.
Jul 26th, 2023
Fungies.io Pre Seed funding round

Fungies.io, a startup based in Poland with incorporation in the US, has successfully closed its Pre-Seed funding round with investments from several prominent

The Recursive
Dec 14th, 2022
Top 10 Largest Funding Rounds in the Czech Republic in 2022

Despite the economic downturn of 2022 with spiking inflation and significantly rising energy prices, the Czech Republic startup ecosystem has recorded

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