I need to connect to the public testnet via ethereumj can anybody help me please.

  • It's usually helpful if you include some of the things you've tried in your question.
    – eth
    Feb 25, 2016 at 15:12

1 Answer 1


(I've only worked this out via code inspection, as I can't find anything in the documentation.) In the file ethereumj.conf change the line

# Network id
networkId = 1


networkId = 2

In the same file set the network list by changing the line to set ip.list:

  ip.list = [

In the same file specify a boot node:

active = [
        { url = "enode://e58d5e26b3b630496ec640f2530f3e7fa8a8c7dfe79d9e9c4aac80e3730132b869c852d3125204ab35bb1b1951f6f2d40996c1034fd8c5a69b383ee337f02ddc@" }

Save the genesis json from https://github.com/ethereum/wiki/wiki/Morden into the folder resources/genesis and call it frontier.json.

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