Top Blockchain companies in Seattle, Washington, United States

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Discover top-rated blockchain companies in Seattle. We've handpicked experienced companies that specialize in delivering high-quality solutions for st...Read More

List of Top Blockchain companies in Seattle, Washington, United States

Rankings updated: Jun 8, 2026

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Mobcoder

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At Mobcoder, we help our clients realize the potential of rapidly evolving mobile technologies, from developing an app strategy to launching mobile applications. We have the expertise to take the app development plan through the mobile product design, development, testing and launch phases.

Top Services:

Offshore Software Development

Blockchain

Software Testing

+3 more

Seattle, United States

100 - 249

$55/hr

$10,000 - $25,000

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Slashdev

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Slashdev is a company specializing in IT Staff Augmentation and Technical Staffing services, providing highly experienced developers for short-term projects. The reviews highlight a 100% positive feedback rate, with clients praising their transparent communication, competitive pricing, and the rapid deployment of skilled developers. Impressively, 100% of reviewers commend their ability to quickly source senior IT talent, enhancing project success and efficiency.Show MoreSee all 18 projects

Top Services:

Web Development

Mobile App Development

Blockchain

+2 more

Seattle, United States

10 - 49

$2549/hr

$5,000+

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0.0

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Frequently asked questions

Blockchain development builds decentralized applications, smart contracts, and distributed ledger solutions. Services include cryptocurrency development, DeFi platforms, NFT marketplaces, supply chain tracking, and enterprise blockchain implementations.

Blockchain provides immutable records, eliminates intermediaries, reduces fraud by 80%, enables transparent transactions, and automates processes through smart contracts. It transforms supply chain, finance, healthcare, and identity management.

Simple smart contracts cost $5,000-$15,000, DApps range from $30,000-$100,000, and enterprise blockchain solutions start at $100,000-$500,000+. Costs depend on consensus mechanism, chain complexity, and integration requirements.

Select firms with expertise in relevant chains (Ethereum, Solana, Hyperledger), smart contract auditing capabilities, security focus, and proven deployments. Check their understanding of regulatory compliance and tokenomics.

Finance (DeFi, payments), supply chain (tracking, provenance), healthcare (records management), real estate (tokenization), and government (identity, voting) see the most transformative blockchain applications.

Top Blockchain companies in Seattle, Washington, United States

List of Top Blockchain companies in Seattle, Washington, United States

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Mobcoder

Slashdev

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Frequently asked questions

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