Block v. State of Israel — Supreme Court denied further hearing in cryptocurrency-extradition case

Case
Alexander ben Valery Block v. State of Israel
Court
Supreme Court of Israel (Israel)
Judge
יצחק עמית (Shimon Peres, 2009)
Date Decided
August 26, 2026
Citation
דנ”פ 60245-03-26
Topics
Extradition, Computer Crime, Cryptocurrency, Money Laundering

Background

The United States requested Alexander ben Valery Block’s extradition to face eight federal charges in the Northern District of California involving computer-related fraud, transportation of stolen goods, and money laundering. The request alleged that Block exploited an unintended vulnerability in Nomad Bridge, a platform connecting different digital currencies, to steal cryptocurrency worth more than $2.8 million and then conducted transactions intended to disguise its source.

The Jerusalem District Court declared Block extraditable. A unanimous Supreme Court panel rejected his appeal, holding that the alleged conduct satisfied Israel’s dual-criminality requirement and that the evidentiary basis required for extradition had been established. The panel concluded, among other things, that exploiting authorized system functions to produce results the system’s designers did not anticipate could fall within Israel’s computer-disruption provisions; that full correspondence between the elements of the American and Israeli offenses was unnecessary; and that the alleged cryptocurrency transactions could constitute money laundering despite the public visibility of wallet transactions because wallet holders’ identities remained concealed.

Block sought a further hearing before an expanded Supreme Court panel. He argued that the appellate judgment created important new rules concerning computer disruption, money laundering on transparent decentralized systems, the interstate-transport element of the American stolen-goods offense, and the relationship between Israel’s Extradition Law and its extradition treaty with the United States.

The Court’s Holding

President Yitzhak Amit denied the request. Under section 30(b) of the Courts Law, a further hearing is reserved for rare cases in which a ruling conflicts with prior Supreme Court precedent or establishes a rule whose importance, difficulty, or novelty warrants reconsideration. Although the appellate panel had applied for the first time to the computer-disruption offense the broad interpretive approach adopted in the Ezra case, that application was at most a natural development of existing precedent, not a sufficient basis for a further hearing. The panel had also expressly avoided fixing definitive boundaries for the offense.

The money-laundering and stolen-goods rulings likewise applied existing law to the particular facts rather than establishing a new doctrine. The Court also rejected the contention that the U.S.-Israel Extradition Treaty had improperly displaced the Extradition Law. Extradition treaties acquire domestic legal status through section 2A(a)(1) of the Extradition Law and become an integral part of Israeli law so long as they do not contradict fundamental principles. Accordingly, the treaty provision excluding federal-jurisdiction elements such as interstate transportation from the dual-criminality analysis did not override the statute.

The Court added that the unanimity of the original Supreme Court panel weighed against granting the extraordinary remedy. The request for a further hearing was therefore denied.

Key Takeaways

  • A first interpretation or new application of a statutory provision does not by itself justify a further hearing before an expanded Supreme Court panel.
  • Applying a technologically adaptable interpretation of computer disruption to exploitation of a platform’s unintended functionality was a natural development of precedent, particularly because the appellate panel did not purport to define the offense conclusively.
  • The U.S.-Israel Extradition Treaty forms part of Israeli extradition law and permits federal-jurisdiction elements, including interstate transportation, to be disregarded when assessing dual criminality.

Why It Matters

The decision leaves intact Block’s declaration of extraditability and the underlying panel’s treatment of alleged cryptocurrency exploitation under Israel’s computer-crime and money-laundering laws. It indicates that conduct may satisfy dual criminality even when the corresponding American and Israeli offenses do not have identical elements.

More broadly, the ruling confirms the exceptionally narrow role of further hearings in Israel: even a precedent-setting application of criminal law to emerging technology ordinarily will not qualify when it represents an incremental extension of existing doctrine and leaves the law’s precise boundaries open for development in future cases.

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