I tried to run the bitcoinj toy wallet app and sniff those packets that were sent by the app.
However, it seems that when the wallet app first connects to the network, the bitcoinj sends a getheader that starts at block 421344 ( 2016-07-18 23:22:42 ). I understand that it may help reduce the time and works required to sync the header chain, and it seems difficult for an adversary to provide a long valid header chain. But still ? 1. What else can go wrong with this approach? 2. Can I modify the code so it starts at block 1? I just want to test how long it may take. Thanks, -- You received this message because you are subscribed to the Google Groups "bitcoinj" group. To unsubscribe from this group and stop receiving emails from it, send an email to bitcoinj+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
