Форк биткоина, не работает кошелек, почему?

не могу понять причину, кошелек бесконечно загружается вот логи

2018-08-04 01:01:06 * Using 8.0MiB for chain state database
2018-08-04 01:01:06 * Using 440.0MiB for in-memory UTXO set (plus up to 286.1MiB of unused mempool space)
2018-08-04 01:01:06 init message: Загрузка индекса блоков...
2018-08-04 01:01:06 Opening LevelDB in /home/slavik/.investcoin/blocks/index
2018-08-04 01:01:09 Opened LevelDB successfully
2018-08-04 01:01:09 Using obfuscation key for /home/slavik/.investcoin/blocks/index: 0000000000000000
2018-08-04 01:01:09 ERROR: LoadBlockIndexGuts: CheckProofOfWork failed: CBlockIndex(pprev=0, nHeight=0, merkle=b299a34d310c6fd4fa105528a6e77833a037e6de53b69afb62d613682fd6b2bc, hashBlock=e49d667bd58a6dfc9ca65e087db8f4f48e390dd03bf53ed6dd4dab427df81e3e)
2018-08-04 01:01:12 init message: Загрузка индекса блоков...
2018-08-04 01:01:12 Wiping LevelDB in /home/slavik/.investcoin/blocks/index
2018-08-04 01:01:12 Opening LevelDB in /home/slavik/.investcoin/blocks/index
2018-08-04 01:01:12 Opened LevelDB successfully
2018-08-04 01:01:12 Using obfuscation key for /home/slavik/.investcoin/blocks/index: 0000000000000000
2018-08-04 01:01:12 Initializing databases...
2018-08-04 01:01:12 Wiping LevelDB in /home/slavik/.investcoin/chainstate
2018-08-04 01:01:15 Opening LevelDB in /home/slavik/.investcoin/chainstate
2018-08-04 01:01:17 Opened LevelDB successfully
2018-08-04 01:01:17 Wrote new obfuscate key for /home/slavik/.investcoin/chainstate: 2f0ebd63211c8da2
2018-08-04 01:01:17 Using obfuscation key for /home/slavik/.investcoin/chainstate: 2f0ebd63211c8da2
2018-08-04 01:01:17 block index 4620ms
2018-08-04 01:01:17 init message: Загрузка бумажника...
2018-08-04 01:01:17 nFileVersion = 160000
2018-08-04 01:01:17 Keys: 2001 plaintext, 0 encrypted, 2001 w/ metadata, 2001 total
2018-08-04 01:01:18 wallet 1689ms
2018-08-04 01:01:18 setKeyPool.size() = 2000
2018-08-04 01:01:18 mapWallet.size() = 0
2018-08-04 01:01:18 mapAddressBook.size() = 0
2018-08-04 01:01:18 Reindexing block file blk00000.dat...
2018-08-04 01:01:18 ERROR: AcceptBlock: high-hash, proof of work failed (code 16)
2018-08-04 01:01:19 Reindexing finished
2018-08-04 01:01:19 Imported mempool transactions from disk: 0 succeeded, 0 failed, 0 expired, 0 already there
2018-08-04 01:04:35 Shutdown: In progress...
2018-08-04 01:04:35 scheduler thread interrupt
2018-08-04 01:04:35 Dumped mempool: 7e-06s to copy, 0.041282s to dump
2018-08-04 01:04:35 Shutdown: done

до этого момента всё без ошибок работает