Zondacrypto has gone offline, leaving customers unable to access funds as key executives remain missing and authorities investigate its operations.
Once a major cryptocurrency exchange across Central and Eastern Europe, the platform has remained unavailable since April. Its ZND token has fallen 99.9%, according to CoinMarketCap.
The collapse reaches Poland and Estonia, where the business developed its regional presence. It also highlights lingering fraud concerns despite cryptocurrency gaining wider political and institutional acceptance. The New York Times reported President Donald Trump’s family cryptocurrency venture earned $1.4 billion.
Two Leaders Disappear as Customers Seek Answers
The exchange began as BitBay in Katowice in 2014. Founder Sylwester Suszek, a miner’s son dubbed Poland’s “crypto king,” disappeared in March 2022, aged 34.
Suszek vanished after visiting a fuel depot near Katowice to meet associate Marian Wszolek. His family believes he was kidnapped and killed.
Prosecutors later charged Wszolek with organized-crime membership, major VAT fraud, money laundering, and unlawful deprivation of liberty connected to Suszek’s disappearance. Wszolek subsequently disappeared.
Suszek’s lawyer, Przemyslaw Kral, later assumed control. His final public message on April 16, 2026, urged clients to remain calm. The Times reported alleged sightings in Israel, Botswana, and Dubai.
Warsaw lawyer Robert Nogacki, representing affected clients, said, “It was a fraud from the first day.”
Blockchain Review Challenges Bitcoin Reserve Claim
Kral told clients Zondacrypto held 4,500 Bitcoin, then worth about $336 million, with Suszek alone controlling the keys.
However, blockchain forensics firm Recoveris found the main Bitcoin hot wallet’s holdings fell 99.7%. Its monthly average declined from 55.7 BTC in August 2024 to 0.18 BTC in March 2026.
Only 0.086 BTC, worth roughly $9,700, remained on April 1. Comparable European exchanges averaged 308 BTC in their main hot wallets.
Recoveris identified 511 transfers from Zondacrypto wallets to a Kraken deposit address between mid-December 2025 and early April. Those transactions were worth approximately $21 million.
Zondacrypto declined to publish cold-reserve addresses, citing European MiCA and DORA rules. Neither regulation prohibits such disclosure.
Estonian Licence Revoked as Criminal Inquiry Expands
Estonia’s Financial Intelligence Unit suspended some company licences on May 18, blocking new customers. It revoked parent company BB Trade Estonia OÜ’s licence on June 29, 2026.
The FIU said it supervises anti-money laundering compliance, not whether customer assets exist or remain protected.
MiCA Article 143 allowed existing national-regime providers to operate until July 1, 2026, or until ESMA approved or rejected applications. The licence ended two days beforehand.
On August 3, Katowice prosecutors merged the Zondacrypto inquiry into a broader organized-crime investigation. Authorities are examining BitBay, Zondacrypto, and Suszek’s disappearance.
Polish Prime Minister Donald Tusk alleged connections to Russian criminal groups and intelligence agencies. Addressing parliament on April 17, he said its rise began “with the money of the Russian mafia.” Customers still await answers about their deposits and the missing executives.
