Polkadot’s relay-chain and parachain architecture, while innovative for interoperability, creates substantial money-laundering vulnerabilities that have drawn intense scrutiny from Swiss and German regulators, positioning DOT as a high-risk asset in cross-chain sanctions evasion and obfuscation schemes. No standalone criminal prosecution singles out Polkadot as the primary laundering vehicle in these jurisdictions, yet forensic analyses explicitly document DOT flows within multi-asset chains used by Russian-linked sanctioned actors to bypass restrictions, routing illicit proceeds through privacy parachains, mixers like Cryptomixer (dismantled in 2025 joint operations), and lightly supervised centralised exchanges before cashing out. Switzerland’s 2023 ML/TF risk assessment flags decentralised networks as systemic threats requiring stringent VASP oversight, while Germany’s BaFin enforces aggressively with record fines (e.g., €45M against J.P. Morgan for AML lapses) and ATM crackdowns, underscoring how Polkadot’s liquidity and bridging amplify exposure to organised crime, ransomware proceeds, and kleptocratic networks in Europe’s financial core.
Polkadot is not currently at the centre of a named, public money‑laundering prosecution in Switzerland or Germany, but both countries’ AML regimes, enforcement activities, and analytical reporting place DOT and the broader ecosystem firmly within a high‑risk category of virtual‑asset infrastructures used in complex laundering and sanctions‑evasion schemes. Swiss authorities explicitly recognise virtual assets and DLT services as significant ML/TF risks and apply stringent AML duties to intermediaries, which by definition applies when those intermediaries handle DOT, whether for Swiss clients or in cross‑border contexts. Germany, through BaFin and BKA, has combined tough supervision of banks and custodians—including record fines for AML failures—with targeted actions against unlicensed crypto ATMs and participation in international takedowns of mixing services that process enormous volumes of illicit crypto. Analytical work on Russian sanctions evasion shows that state‑linked actors have used multiple cryptocurrencies, explicitly including Polkadot’s DOT, as part of multi‑step laundering chains aimed at reaching major centralised exchanges, strengthening the case for treating Polkadot as a relevant vector in sanctions‑evasion risk. While public data do not support a precise estimate of the value laundered specifically through DOT in these two countries, the scale of surrounding infrastructure—mixers handling over 1.3 billion euros of Bitcoin and rising virtual‑asset STR volumes—indicates that the potential exposure is material. Consequently, from an AML‑risk perspective, Polkadot should be considered a significant, though not uniquely criminal, component of the crypto ecosystem that Switzerland and Germany are actively seeking to control and monitor through regulation, supervision, and enforcement.