Harmony's Horizon Bridge has been exploited for $100 million in altcoins which are being swapped for Ether (ETH). 11 transactions were made from the bridge for various tokens in the time phase of 7:08 am until 7:26 am ET. Hackers have begun sending tokens to a different wallet to swap for ETH on the Uniswap decentralized exchange (DEX), then sending the ETH back to the original wallet.