The following are five news worthy of note in the currency circle in the past 24 hours:

1. The SEC appealed the Ripple case ruling, arguing that the XRP ruling violated Supreme Court precedent and may affect the regulation of digital assets in the United States.

2. Sub-Saharan African stablecoins account for 40%, reflecting significant growth in usage in the crypto-economy, particularly in international payments and capital protection.

3. Christie’s launches blockchain ownership certificate to prove ownership of artworks and enhance transaction transparency and security.

4. The Polish bank’s blockchain saves artwork and stores it in an Arctic vault to improve security.

5. Senior trader Peter Brandt warned of the "three blind mice" pattern, indicating that Bitcoin may continue to fall.