I've finally synchronized my blockchain with this new version of code and downloaded some statistics. Here is a difficulty chart starting from the genesis block.
Spike in november 2012 looks strange for me, but it exists in data.
DIFFICULTY CHART
Thx for the graph, how can you get this data?
print_bc console command prints blockchain statistics like this:
height 0, timestamp 0, cumul_dif 1, cumul_size 80
id
difficulty 1, nonce 70, tx_count 0
height 1, timestamp 1341378000, cumul_dif 2, cumul_size 344
id <13a537627c969dfda1bf6a2688694aa139f66d643073d49afc5cdd75d3c1e400>
difficulty 1, nonce 4122499893, tx_count 0
height 2, timestamp 1341378001, cumul_dif 3, cumul_size 306
id <36f51be5a5d244f1ab635c83852b5e52dced4376d38c5aafd9944dceb7062d00>
difficulty 1, nonce 1177293451, tx_count 0
height 3, timestamp 1341378002, cumul_dif 123, cumul_size 344
id <7d69aa8a864cbd1e22ee1b3155cf37c4349409c0be9b1ba8fe7df5d4ae563046>
difficulty 120, nonce 2115376671, tx_count 0
What about the total hash rate?
I don't know the right way to calculate hash rate.