Hack history / 2026 / Hack or exploit
Zilliqa
Hack or exploit on Jul 22, 2026 · Weak Key Generation
ONE SOURCE · 1 SOURCE
Lost
$1.6M
dollars at the time
Returned
none listed
as the sources state it
Rank
#770
among thefts by dollars lost
What happened
A buffer-copy error in the Zilliqa Ledger app's Schnorr signing code since 2019 fixed the top 64 bits of every nonce at zero. Attackers recovered private keys from ~5 on-chain signatures using lattice reduction and stole approximately 683.13M ZIL, with exploitation first spotted on July 19, 2026.
Details
- Date
- Jul 22, 2026
- Kind
- Hack or exploit
- Method
- Weak Key Generation
- How in
- Keys, accounts and infrastructure
- Target
- Chain
- Chains
- Zilliqa
Reported by
Related incidents
Zilliqa X-Bridge 2026 · Hack or exploit · undisclosed
Zilliqa exchange partner 2026 · Hack or exploit · undisclosed
COLDCARD 2026 · Hack or exploit · $116M
Secondfi 2026 · Hack or exploit · $2.4M
RRWallet 2026 · Hack or exploit · $2M
Zilliqa exchange partner 2026 · Hack or exploit · undisclosed
COLDCARD 2026 · Hack or exploit · $116M
Secondfi 2026 · Hack or exploit · $2.4M
RRWallet 2026 · Hack or exploit · $2M
Cite this page
SwanBluechip, "Zilliqa hack, Jul 22, 2026: $1.6M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htf360cbd8c4/ (data as of 2026-10-31).