On December 26, Trust Wallet issued a security notice for its browser extension version 2.68 and told users to move to version 2.69 via the official Chrome Web Store. The project said the new release addresses identified risks in the older build, while mobile apps and other extensions are not affected.

On Dec. 24, XRPL Labs lead software engineer Denis Angell announced that the XRP Ledger’s AlphaNet has integrated post-quantum cryptography and native smart contracts. The upgrade replaces elliptic curve signatures with the NIST-standardized ML-DSA (CRYSTALS-Dilithium) scheme, introducing Quantum Accounts, Transactions, and Consensus while significantly increasing signature size to about 2,420 bytes. Alongside enhanced quantum resistance, the update brings base-layer smart contract capabilities designed to expand XRPL’s DeFi ecosystem beyond payments.

Analyst Steph said on X that XRP’s 3-week chart shows the Stochastic RSI at 0.00, a reading previously seen only at the 2022 bear‑market low. CryptoXLarge flagged $1.95 as a pivotal zone on the weekly chart, while ETF products have logged daily inflows since November 13 and hold over $1.1 billion, with XRP trading near $1.87 at the time of writing.

China's Guangzhou Futures Exchange will from December 29 restrict non-futures firms to opening 300 lots per day in designated platinum and palladium contracts and raise the minimum opening size to two lots. The move comes after platinum surged to $2,377.50 and palladium jumped more than 85% this year, while Shanghai silver spiked to $80 per ounce and China's main silver fund hit its 10% daily limit down.

As 2025 enters its final week, DeepSeek AI released updated projections for XRP, Solana and Cardano through the end of 2026. The model flags a high-volatility phase and maps bull and bear paths: XRP's upside targets $4.50–$6.00 with a risk to $1.00, Solana's $275–$350 with $80–$95 downside, and Cardano's $0.85–$1.20 with a $0.25–$0.28 floor.

On Dec. 25, 2025, World Liberty Financial said on X that its USD1 stablecoin's market capitalization exceeded $3 billion. Binance launched a USD1 Booster Program offering up to 20% APR and began a 1:1 swap of B-Token BUSD collateral into USD1, while a BTC/USD1 spot pair flash crash briefly printed $24,000 before spiking above $87,000.

Bitcoin short sellers have strengthened their positions after a 23% Q4 price drop, while U.S. spot ETF demand and CME Open Interest have fallen to levels last seen in 2024. With basis trade yields dropping from near 10% in early 2025 to around 5%, traders are eyeing possible moves toward $80K on the downside and liquidations near $88K–$90,600 if price spikes.

On 25 December, blockchain investigator ZachXBT and other researchers raised security concerns about a recent Trust Wallet browser extension update. They allege that new code added on 24 December may exfiltrate seed phrases and wallet data to a spoofed domain, with users reporting rapid fund drains exceeding $2 million. The reports suggest a potential supply-chain compromise limited to the browser extension, while Trust Wallet has not yet issued any public response.