Kayvan Sadeghi represents clients at the forefront of technology, finance, and media, helping them navigate unchartered legal waters to resolve litigation and enforcement matters that threaten their way of doing business. He was recognized by Chambers & Partners’ 2025 Fintech Guide as a leading individual for Crypto-Asset Disputes. The guide notes that Kayvan is “well versed in the crypto industry” and “is not only a strong advocate; he is an expert and a trusted adviser in a complex field of work.”

Kayvan serves as lead counsel for defendants and sophisticated plaintiffs in complex commercial and securities litigation nationwide, often involving nine or 10-figure damages. He also regularly defends clients in high-stakes investigations before the US Department of Justice, the SEC, state attorneys general, and other regulators.

Companies, their founders, and corporate boards also rely on Kayvan to assess and manage legal risks and address corporate governance matters. Focused on the blockchain industry since late 2016, Kayvan has advised on projects worldwide across the blockchain ecosystem.

His clients include leading base layer protocols and their founders, CeFi and DeFi platforms, data oracles, crypto hedge funds and investors, NFT gaming projects, and others. He is especially sought after for creative problem-solving based on his sophisticated understanding of technologies and broad perspective on what other industry participants are doing.

To serve our fintech and blockchain clients, we must stay at the forefront of a constantly changing landscape, navigate uncertainty, and collaborate to move the industry forward.

Representative Matters

  • Co-led the Examiner’s digital asset investigation in the chapter 11 cases of Celsius Network LLC.
  • Defended Voyager Digital in a federal class action brought under securities and consumer protection laws seeking over $1 billion in damages in one of the first cases to challenge customer accounts as unregistered securities.
  • Successfully represented the Swiss foundation supporting a leading base-layer protocol, as plaintiff, leading to recovery of tokens worth hundreds of millions of dollars from a crypto hedge fund.
  • Successfully defended a leading DeFi protocol in a federal securities class action arising out of a $50 million initial coin offering (ICO), resulting in dismissal of all claims.
  • Represent multiple companies in SEC and state regulatory investigations, including investigations related to crypto-lending and ICOs.
  • Advising numerous decentralized finance (DeFi) projects and founders in connection with analysis of U.S. law and regulatory issues.
  • Advising one of the world’s leading social media companies on issues related to the metaverse. 

Credentials

  • New York

  • New York University School of Law, JD, 2003
  • Pomona College, BA, Philosophy, Politics, and Economics, 2000

  • US Court of Appeals, Second Circuit
  • US Court of Appeals, Ninth Circuit
  • US District Court, Eastern District of New York
  • US District Court, Southern District of New York

Service / Recognition

  • The BTI Class Action Leaders, 2026

  • Chambers and Partners, Crypto-Asset Disputes, 2024
  • Thomson Reuters' Super Lawyers, New York Metro Rising Star, 2017, 2018

  • Securities Litigation Committee, New York City Bar Association, 2016 - 2019
  • Wall Street Blockchain Alliance, Legal Working Group, 2018 - present

Kayvan Sadeghi represents clients at the forefront of technology, finance, and media, helping them navigate unchartered legal waters to resolve litigation and enforcement matters that threaten their way of doing business. He was recognized by Chambers & Partners’ 2025 Fintech Guide as a leading individual for Crypto-Asset Disputes. The guide notes that Kayvan is “well versed in the crypto industry” and “is not only a strong advocate; he is an expert and a trusted adviser in a complex field of work.”

Kayvan serves as lead counsel for defendants and sophisticated plaintiffs in complex commercial and securities litigation nationwide, often involving nine or 10-figure damages. He also regularly defends clients in high-stakes investigations before the US Department of Justice, the SEC, state attorneys general, and other regulators.

Companies, their founders, and corporate boards also rely on Kayvan to assess and manage legal risks and address corporate governance matters. Focused on the blockchain industry since late 2016, Kayvan has advised on projects worldwide across the blockchain ecosystem.

His clients include leading base layer protocols and their founders, CeFi and DeFi platforms, data oracles, crypto hedge funds and investors, NFT gaming projects, and others. He is especially sought after for creative problem-solving based on his sophisticated understanding of technologies and broad perspective on what other industry participants are doing.

To serve our fintech and blockchain clients, we must stay at the forefront of a constantly changing landscape, navigate uncertainty, and collaborate to move the industry forward.

  • Co-led the Examiner’s digital asset investigation in the chapter 11 cases of Celsius Network LLC.
  • Defended Voyager Digital in a federal class action brought under securities and consumer protection laws seeking over $1 billion in damages in one of the first cases to challenge customer accounts as unregistered securities.
  • Successfully represented the Swiss foundation supporting a leading base-layer protocol, as plaintiff, leading to recovery of tokens worth hundreds of millions of dollars from a crypto hedge fund.
  • Successfully defended a leading DeFi protocol in a federal securities class action arising out of a $50 million initial coin offering (ICO), resulting in dismissal of all claims.
  • Represent multiple companies in SEC and state regulatory investigations, including investigations related to crypto-lending and ICOs.
  • Advising numerous decentralized finance (DeFi) projects and founders in connection with analysis of U.S. law and regulatory issues.
  • Advising one of the world’s leading social media companies on issues related to the metaverse. 

  • New York

  • New York University School of Law, JD, 2003
  • Pomona College, BA, Philosophy, Politics, and Economics, 2000

  • US Court of Appeals, Second Circuit
  • US Court of Appeals, Ninth Circuit
  • US District Court, Eastern District of New York
  • US District Court, Southern District of New York

  • The BTI Class Action Leaders, 2026

  • Chambers and Partners, Crypto-Asset Disputes, 2024
  • Thomson Reuters' Super Lawyers, New York Metro Rising Star, 2017, 2018

  • Securities Litigation Committee, New York City Bar Association, 2016 - 2019
  • Wall Street Blockchain Alliance, Legal Working Group, 2018 - present

Overview

Kayvan Sadeghi represents clients at the forefront of technology, finance, and media, helping them navigate unchartered legal waters to resolve litigation and enforcement matters that threaten their way of doing business. He was recognized by Chambers & Partners’ 2025 Fintech Guide as a leading individual for Crypto-Asset Disputes. The guide notes that Kayvan is “well versed in the crypto industry” and “is not only a strong advocate; he is an expert and a trusted adviser in a complex field of work.”

Kayvan serves as lead counsel for defendants and sophisticated plaintiffs in complex commercial and securities litigation nationwide, often involving nine or 10-figure damages. He also regularly defends clients in high-stakes investigations before the US Department of Justice, the SEC, state attorneys general, and other regulators.

Companies, their founders, and corporate boards also rely on Kayvan to assess and manage legal risks and address corporate governance matters. Focused on the blockchain industry since late 2016, Kayvan has advised on projects worldwide across the blockchain ecosystem.

His clients include leading base layer protocols and their founders, CeFi and DeFi platforms, data oracles, crypto hedge funds and investors, NFT gaming projects, and others. He is especially sought after for creative problem-solving based on his sophisticated understanding of technologies and broad perspective on what other industry participants are doing.

To serve our fintech and blockchain clients, we must stay at the forefront of a constantly changing landscape, navigate uncertainty, and collaborate to move the industry forward.

Representative Matters

  • Co-led the Examiner’s digital asset investigation in the chapter 11 cases of Celsius Network LLC.
  • Defended Voyager Digital in a federal class action brought under securities and consumer protection laws seeking over $1 billion in damages in one of the first cases to challenge customer accounts as unregistered securities.
  • Successfully represented the Swiss foundation supporting a leading base-layer protocol, as plaintiff, leading to recovery of tokens worth hundreds of millions of dollars from a crypto hedge fund.
  • Successfully defended a leading DeFi protocol in a federal securities class action arising out of a $50 million initial coin offering (ICO), resulting in dismissal of all claims.
  • Represent multiple companies in SEC and state regulatory investigations, including investigations related to crypto-lending and ICOs.
  • Advising numerous decentralized finance (DeFi) projects and founders in connection with analysis of U.S. law and regulatory issues.
  • Advising one of the world’s leading social media companies on issues related to the metaverse. 

Credentials

Admissions

  • New York

Education

  • New York University School of Law, JD, 2003
  • Pomona College, BA, Philosophy, Politics, and Economics, 2000

Court Admissions

  • US Court of Appeals, Second Circuit
  • US Court of Appeals, Ninth Circuit
  • US District Court, Eastern District of New York
  • US District Court, Southern District of New York

Service / Recognition

Awards

  • The BTI Class Action Leaders, 2026

  • Chambers and Partners, Crypto-Asset Disputes, 2024
  • Thomson Reuters' Super Lawyers, New York Metro Rising Star, 2017, 2018

Service to the Bar

  • Securities Litigation Committee, New York City Bar Association, 2016 - 2019
  • Wall Street Blockchain Alliance, Legal Working Group, 2018 - present

Kayvan Sadeghi represents clients at the forefront of technology, finance, and media, helping them navigate unchartered legal waters to resolve litigation and enforcement matters that threaten their way of doing business. He was recognized by Chambers & Partners’ 2025 Fintech Guide as a leading individual for Crypto-Asset Disputes. The guide notes that Kayvan is “well versed in the crypto industry” and “is not only a strong advocate; he is an expert and a trusted adviser in a complex field of work.”

Kayvan serves as lead counsel for defendants and sophisticated plaintiffs in complex commercial and securities litigation nationwide, often involving nine or 10-figure damages. He also regularly defends clients in high-stakes investigations before the US Department of Justice, the SEC, state attorneys general, and other regulators.

Companies, their founders, and corporate boards also rely on Kayvan to assess and manage legal risks and address corporate governance matters. Focused on the blockchain industry since late 2016, Kayvan has advised on projects worldwide across the blockchain ecosystem.

His clients include leading base layer protocols and their founders, CeFi and DeFi platforms, data oracles, crypto hedge funds and investors, NFT gaming projects, and others. He is especially sought after for creative problem-solving based on his sophisticated understanding of technologies and broad perspective on what other industry participants are doing.

To serve our fintech and blockchain clients, we must stay at the forefront of a constantly changing landscape, navigate uncertainty, and collaborate to move the industry forward.

Representative Matters

  • Co-led the Examiner’s digital asset investigation in the chapter 11 cases of Celsius Network LLC.
  • Defended Voyager Digital in a federal class action brought under securities and consumer protection laws seeking over $1 billion in damages in one of the first cases to challenge customer accounts as unregistered securities.
  • Successfully represented the Swiss foundation supporting a leading base-layer protocol, as plaintiff, leading to recovery of tokens worth hundreds of millions of dollars from a crypto hedge fund.
  • Successfully defended a leading DeFi protocol in a federal securities class action arising out of a $50 million initial coin offering (ICO), resulting in dismissal of all claims.
  • Represent multiple companies in SEC and state regulatory investigations, including investigations related to crypto-lending and ICOs.
  • Advising numerous decentralized finance (DeFi) projects and founders in connection with analysis of U.S. law and regulatory issues.
  • Advising one of the world’s leading social media companies on issues related to the metaverse. 

Credentials

  • New York

  • New York University School of Law, JD, 2003
  • Pomona College, BA, Philosophy, Politics, and Economics, 2000

  • US Court of Appeals, Second Circuit
  • US Court of Appeals, Ninth Circuit
  • US District Court, Eastern District of New York
  • US District Court, Southern District of New York

Service / Recognition

  • The BTI Class Action Leaders, 2026

  • Chambers and Partners, Crypto-Asset Disputes, 2024
  • Thomson Reuters' Super Lawyers, New York Metro Rising Star, 2017, 2018

  • Securities Litigation Committee, New York City Bar Association, 2016 - 2019
  • Wall Street Blockchain Alliance, Legal Working Group, 2018 - present

Kayvan Sadeghi represents clients at the forefront of technology, finance, and media, helping them navigate unchartered legal waters to resolve litigation and enforcement matters that threaten their way of doing business. He was recognized by Chambers & Partners’ 2025 Fintech Guide as a leading individual for Crypto-Asset Disputes. The guide notes that Kayvan is “well versed in the crypto industry” and “is not only a strong advocate; he is an expert and a trusted adviser in a complex field of work.”

Kayvan serves as lead counsel for defendants and sophisticated plaintiffs in complex commercial and securities litigation nationwide, often involving nine or 10-figure damages. He also regularly defends clients in high-stakes investigations before the US Department of Justice, the SEC, state attorneys general, and other regulators.

Companies, their founders, and corporate boards also rely on Kayvan to assess and manage legal risks and address corporate governance matters. Focused on the blockchain industry since late 2016, Kayvan has advised on projects worldwide across the blockchain ecosystem.

His clients include leading base layer protocols and their founders, CeFi and DeFi platforms, data oracles, crypto hedge funds and investors, NFT gaming projects, and others. He is especially sought after for creative problem-solving based on his sophisticated understanding of technologies and broad perspective on what other industry participants are doing.

To serve our fintech and blockchain clients, we must stay at the forefront of a constantly changing landscape, navigate uncertainty, and collaborate to move the industry forward.

  • Co-led the Examiner’s digital asset investigation in the chapter 11 cases of Celsius Network LLC.
  • Defended Voyager Digital in a federal class action brought under securities and consumer protection laws seeking over $1 billion in damages in one of the first cases to challenge customer accounts as unregistered securities.
  • Successfully represented the Swiss foundation supporting a leading base-layer protocol, as plaintiff, leading to recovery of tokens worth hundreds of millions of dollars from a crypto hedge fund.
  • Successfully defended a leading DeFi protocol in a federal securities class action arising out of a $50 million initial coin offering (ICO), resulting in dismissal of all claims.
  • Represent multiple companies in SEC and state regulatory investigations, including investigations related to crypto-lending and ICOs.
  • Advising numerous decentralized finance (DeFi) projects and founders in connection with analysis of U.S. law and regulatory issues.
  • Advising one of the world’s leading social media companies on issues related to the metaverse. 

  • New York

  • New York University School of Law, JD, 2003
  • Pomona College, BA, Philosophy, Politics, and Economics, 2000

  • US Court of Appeals, Second Circuit
  • US Court of Appeals, Ninth Circuit
  • US District Court, Eastern District of New York
  • US District Court, Southern District of New York

  • The BTI Class Action Leaders, 2026

  • Chambers and Partners, Crypto-Asset Disputes, 2024
  • Thomson Reuters' Super Lawyers, New York Metro Rising Star, 2017, 2018

  • Securities Litigation Committee, New York City Bar Association, 2016 - 2019
  • Wall Street Blockchain Alliance, Legal Working Group, 2018 - present

Overview

Kayvan Sadeghi represents clients at the forefront of technology, finance, and media, helping them navigate unchartered legal waters to resolve litigation and enforcement matters that threaten their way of doing business. He was recognized by Chambers & Partners’ 2025 Fintech Guide as a leading individual for Crypto-Asset Disputes. The guide notes that Kayvan is “well versed in the crypto industry” and “is not only a strong advocate; he is an expert and a trusted adviser in a complex field of work.”

Kayvan serves as lead counsel for defendants and sophisticated plaintiffs in complex commercial and securities litigation nationwide, often involving nine or 10-figure damages. He also regularly defends clients in high-stakes investigations before the US Department of Justice, the SEC, state attorneys general, and other regulators.

Companies, their founders, and corporate boards also rely on Kayvan to assess and manage legal risks and address corporate governance matters. Focused on the blockchain industry since late 2016, Kayvan has advised on projects worldwide across the blockchain ecosystem.

His clients include leading base layer protocols and their founders, CeFi and DeFi platforms, data oracles, crypto hedge funds and investors, NFT gaming projects, and others. He is especially sought after for creative problem-solving based on his sophisticated understanding of technologies and broad perspective on what other industry participants are doing.

To serve our fintech and blockchain clients, we must stay at the forefront of a constantly changing landscape, navigate uncertainty, and collaborate to move the industry forward.

Representative Matters

  • Co-led the Examiner’s digital asset investigation in the chapter 11 cases of Celsius Network LLC.
  • Defended Voyager Digital in a federal class action brought under securities and consumer protection laws seeking over $1 billion in damages in one of the first cases to challenge customer accounts as unregistered securities.
  • Successfully represented the Swiss foundation supporting a leading base-layer protocol, as plaintiff, leading to recovery of tokens worth hundreds of millions of dollars from a crypto hedge fund.
  • Successfully defended a leading DeFi protocol in a federal securities class action arising out of a $50 million initial coin offering (ICO), resulting in dismissal of all claims.
  • Represent multiple companies in SEC and state regulatory investigations, including investigations related to crypto-lending and ICOs.
  • Advising numerous decentralized finance (DeFi) projects and founders in connection with analysis of U.S. law and regulatory issues.
  • Advising one of the world’s leading social media companies on issues related to the metaverse. 

Credentials

Admissions

  • New York

Education

  • New York University School of Law, JD, 2003
  • Pomona College, BA, Philosophy, Politics, and Economics, 2000

Court Admissions

  • US Court of Appeals, Second Circuit
  • US Court of Appeals, Ninth Circuit
  • US District Court, Eastern District of New York
  • US District Court, Southern District of New York

Service / Recognition

Awards

  • The BTI Class Action Leaders, 2026

  • Chambers and Partners, Crypto-Asset Disputes, 2024
  • Thomson Reuters' Super Lawyers, New York Metro Rising Star, 2017, 2018

Service to the Bar

  • Securities Litigation Committee, New York City Bar Association, 2016 - 2019
  • Wall Street Blockchain Alliance, Legal Working Group, 2018 - present

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