Bitcoin testnet blocks mined so fast ..!

[Eali]

Last day i was working on bitcoin testnet till i reached a certain height and then went off, but today i can see i am falling back for more than 14000 blocks (7 chunks) ..! and the blocks are mined within seconds. Am i missing something?

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[ranochigo]

Testnet isn't the exact same as mainnet. With the fact that testnet is useless for most users (in their daily transactions), most people don't really mine with it. This results in the problem that the blocks would take forever to generate if someone stops mining. Hence, there is a rule that if a block isn't found within 20minutes, the difficulty is reset to 1.

Since the difficulty could only increase to a maximum percentage and the hashrate of the testnet is pretty high, blocks are generated very very fast for a prolonged number of blocks.

[lizardbtc]

Anyway there is a reason for it being called a testnet - it is for testing purposes. You can however create your own private testnet with client if you want to and by doing this you can manipulate with blocks dificulty,reward per block and many more things.

[Eali]

Testnet isn't the exact same as mainnet. With the fact that testnet is useless for most users (in their daily transactions), most people don't really mine with it. This results in the problem that the blocks would take forever to generate if someone stops mining. Hence, there is a rule that if a block isn't found within 20minutes, the difficulty is reset to 1.

Since the difficulty could only increase to a maximum percentage and the hashrate of the testnet is pretty high, blocks are generated very very fast for a prolonged number of blocks.

I am sure about the testnet and it was meant for just testing(actually i am using it to test my project), but i wasn't sure about the drop of the difficulty and the max value increase (300%) after that drop. I have checked this link (https://testnet.manu.backend.hamburg/difficultyhistory) showing the difficulty history.

Anyway really thanks for your detailed clarification