Hello, Delete the checkpoints if you wish to sync from Genesis. Cheers! Sent with [ProtonMail](https://protonmail.com) Secure Email.
> -------- Original Message -------- > Subject: Why block header starts at block 421344 > Local Time: August 7, 2017 9:50 PM > UTC Time: August 7, 2017 8:50 PM > From: levduc...@gmail.com > To: bitcoinj <bitcoinj@googlegroups.com> > > 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. -- 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.