According to BlockBeats, on June 18th, XRP was the only cryptocurrency among the top 100 by market capitalization to see a price increase over a 24-hour period. The increase was a modest 0.3%. All other cryptocurrencies in the top 100 experienced a decrease in value during the same period. Stablecoins were not included in this analysis.

This information was gathered from CoinGecko's market data. It's worth noting that the cryptocurrency market is highly volatile, with prices fluctuating rapidly. Therefore, the status of XRP as the only cryptocurrency to experience a price increase within this specific 24-hour period is subject to change.

The performance of XRP stands out in a market that is generally experiencing a downturn. However, it's important to remember that the cryptocurrency market is unpredictable and investors should always proceed with caution.