Do Kwon, the South Korean cryptocurrency entrepreneur at the center of the 2022 collapse of the TerraUSD and Luna digital currencies, was sentenced on Thursday to fifteen years in prison by a U.S. federal judge in Manhattan.

The sentence, delivered by Judge Paul A. Engelmayer, followed Kwon’s guilty plea to two counts of fraud and conspiracy and marks one of the most significant legal consequences arising from the tumultuous era of rapid digital asset growth and investor losses.

The TerraUSD stablecoin and its associated Luna token lost their value in May 2022, wiping out more than forty billion dollars in market capitalization and triggering a wide downturn across cryptocurrency markets.

The crash deeply affected hundreds of thousands of retail investors who directly or indirectly held the tokens or related products.

Victims — including individuals, charities, and small businesses — described profound personal and financial harm during the sentencing hearing, with some attributing loss of livelihoods, retirement savings, and life plans to the crash.

Judge Engelmayer described the offenses as “a fraud on an epic, generational scale,” and rejected both the government’s request for a twelve-year term and the defense’s plea for a significantly shorter sentence.

Prosecutors detailed how Kwon knowingly misled investors by concealing the fragility of the algorithmic stablecoin and by failing to disclose that an external trading firm had intervened to temporarily stabilize the token’s value.

Kwon, thirty-four, admitted his conduct was wrong and expressed remorse during the proceedings.

The case has broad implications for regulatory and legal oversight of digital assets, reinforcing the reach of U.S. securities and fraud laws in complex cross-border financial markets.

Kwon, who was arrested in Montenegro in 2023 after fleeing charges in South Korea and attempting to use falsified travel documents, was extradited to the United States to face trial.

In addition to the prison sentence, he will forfeit more than nineteen million dollars, and he has faced related civil actions including an earlier settlement with U.S. regulators.

The outcome underscores growing accountability for crypto executives whose projects have severe market and investor impacts.

The collapse of TerraUSD and Luna contributed to a broader retrenchment in the crypto ecosystem, commonly referred to as the “crypto winter,” and played a role in the failure of other platforms.

The sentence serves both as a personal judgment against Kwon and a reminder of the legal responsibilities borne by issuers of digital financial products under U.S. law.