[Doubler Pro will be officially launched on Arbitrum on September 1st] On August 28, the crypto investment strategy protocol Doubler Protocol announced on X that Doubler Pro will be officially launched on Arbitrum on September 1st. In addition, Doubler Protocol will launch a "liquidity airdrop" event specifically for the Pro version. The rules of this liquidity airdrop will be consistent with the rules of the Doubler Lite liquidity airdrop. The airdrop will provide at least 100,000 DBR, and the creators of the first 500 eligible mining pools will receive rewards.