The number of wallets connected to Shiba Inu Shibarium's Puppynet testnet has exceeded 16 million, with network activity and transaction volume on the rise since the testnet's launch on March 11. The increased transaction volume has coincided with a period of high wallet creation, with Glassnode data showing the highest increase in three months on May 26. Shiba Inu's rising network activity has also led to a surge in social metrics, with SHIB among the top 10 coins by social mentions over the past week. The launch of Shibarium's mainnet is expected before the end of the year, which could boost the value of related tokens such as SHIB, BONE, and LEASH.