Okay. Here's the bug detail: your network contains the 72 millions premine from the original Ethereum blockchain. You can confirm the bug in many ways.

Look into the Ethereum premine addresses. For example, the EthDev premine address 0x5abfec25f74cd88437631a7731906932776356f9 which contains 12 million coins on both blockchain.

EGEM: https://explorer.egem.io/addr/0x5abfec25f74cd88437631a7731906932776356f9
PIRL: https://poseidon.pirl.io/explorer/address/0x5abfec25f74cd88437631a7731906932776356f9/

Now have fun.