Polymarket and Parcl have entered a partnership to create real estate prediction markets that settle using Parcl's daily housing price indexes. Following the announcement, Parcl's PRCL token gained roughly 120% over 24 hours as the firms outlined a phased rollout focused on major US cities and onchain settlement via Solana.

On January 5, 2026, Starknet's mainnet experienced a halt that paused block production and froze transactions for over two hours, as developers said they were investigating. The block explorer later indicated block production had resumed, while prior incidents in September 2025 and April 2024 highlight ongoing reliability challenges.

On 05 Jan 2026, MetaMask users were warned about a new phishing campaign that mimics two-factor authentication checks to steal seed phrases. Attackers use typosquatted domains and countdown-style warnings to pressure victims into entering full wallet recovery phrases. Once obtained, the scammers import the wallets and rapidly drain user funds.

On January 5, 2026, blockchain researcher ZachXBT reported that Ledger customers’ personal data was accessed in a breach at payment processor Global-e, exposing names and contact details but not payment information or wallet keys. Ledger emphasized that the incident involved a third-party provider rather than its hardware wallets, though security researchers warned the leak could fuel targeted phishing and social engineering attacks. The case follows previous Ledger data and supply-chain incidents, adding to wider concerns about vendor-related vulnerabilities in the crypto ecosystem.

On Monday, Starknet's network stopped producing blocks for hours, and developers said they are investigating the cause. The incident follows a September 2 disruption tied to the Grinta upgrade that required two chain reorganizations. At press time, STRK traded around $0.08, down over 20% in a month and nearly 98% below its $3.66 February 2024 high.

On 5 January 2026, hardware wallet provider Ledger informed users that customer data had been exposed via a breach at its payment processor Global-e. Names and contact information were accessed, while private keys, recovery phrases and on-chain funds reportedly stayed secure. The incident renews concerns about third-party vendor risks and the potential for targeted phishing attacks against crypto users.

Ledger said a data incident at its e-commerce partner Global-e was limited to the partner's systems and did not compromise Ledger's hardware or software. Global-e, which Ledger integrated in October 2023, saw unauthorized access to order data that exposed some customers' names and contact details, while payment information and account credentials were not affected.

Onchain investigator ZachXBT said a Coinbase support impersonation operation stole roughly $2 million in crypto, traced through onchain activity and social media artifacts. The FBI reported more than $16 billion in internet crime losses in 2024, underscoring the role of social engineering; Coinbase reiterates it never requests passwords, 2FA, seed phrases, or transfers to a safe address.