ChainCatcher 消息，去中心化结算协议 Kima 宣布与 Mastercard 的 Sandbox 计划集成，使 Mastercard 合作伙伴能够通过 Kima 的结算基础设施，允许用户使用包括 USDC 和 USDT 在内的稳定币，从自托管钱包为预付卡充值。

ChainCatcher 消息，去中心化结算协议 Kima 宣布与 Mastercard 的 Sandbox 计划集成，使 Mastercard 合作伙伴能够通过 Kima 的结算基础设施，允许用户使用包括 USDC 和 USDT 在内的稳定币，从自托管钱包为预付卡充值。

Kima 与 Mastercard Sandbox 集成，支持稳定币充值预付卡

ChainCatcher reports that the decentralized settlement protocol Kima has announced integration with Mastercard's Sandbox program, enabling Mastercard partners to use Kima's settlement infrastructure to allow users to top up prepaid cards from self-custodial wallets using stablecoins including USDC and USDT.

ChainCatcher reports that the decentralized settlement protocol Kima has announced integration with Mastercard's Sandbox program, enabling Mastercard partners to use Kima's settlement infrastructure to allow users to top up prepaid cards from self-custodial wallets using stablecoins including USDC and USDT.

Kima integrates with Mastercard Sandbox to support stablecoin recharge of prepaid cards

Another case of "address poisoning," causing one user to lose $50 million. Photo: Techradar
The attack caused a shock.
A cryptocurrency user lost nearly $50 million USDT after mistakenly transferring the funds to...

Another case of "address poisoning," causing one user to lose $50 million.

Today we saw gold, silver, and palladium all hit new highs! Since the correction at the end of October, gold has been trading above the 25-35 day moving average; silver is rising along the four-hour moving average; and palladium is rising along the three-day moving average.
Synchronization: This "synchronized new highs" usually signifies the start of a major trend. Gold provides "stability," silver provides "elasticity," while the addition of palladium indicates a dual surge in industrial and investment demand.
In this clear upward trend, trading volume has not weakened significantly and no bearish structure has emerged. Don't try to short the short at the top; otherwise, you'll end up with...

Market Analysis | Gold, Silver, and Palladium Hit New Highs! How High Can They Go!?

Chapter 1: Executive Summary and Industry Landscape Analysis
As of December 19, 2025, the global digital asset mining sector is undergoing the most profound structural transformation since the birth of Bitcoin. With Bitcoin's price retreating to the $86,000 range after reaching an all-time high of approximately $125,000 in October 2025, and the total network hashrate surpassing the 1,000 EH/s mark, mining companies face the dual challenges of compressed profit margins and surging capital expenditures in the "post-halving era."

1.1 Industry Differentiation

Figure 1: Analysis of the Relationship between Hashrate and Market Capitalization of Major Mining Companies in 2025

The above figure clearly shows the current...