Linked Questions

86
votes
2answers
19k views

Comparison of the different TestNets

The Metamask client allows access to three test networks: Ropsten Kovan Rinkeby I'm curious: What are the similarities / differences between them? Which use cases are best for each network Are ...
33
votes
4answers
5k views

What is Olympic, Frontier, Morden, Homestead and Ropsten Ethereum blockchain?

I am studying Ethereum and have not been able to figure out the difference between Homestead and Morden. In some docs, it is written that Homestead uses a new algorithm which takes less time. I don't ...
25
votes
4answers
7k views

What public test-networks and faucets exist?

What public test-networks exist and what are their conditions? What are the connection data? How often (if so) are they reset? Does a public faucet exist for this test network? Does a block explorer ...
6
votes
2answers
663 views

Why are there so many testing environments around Ethereum?

A newbie here, just trying to connect the dots. Why are there so many test environments in the ethereum ecosystem -- rinkebys, testrpc, ropsten and what else? Why not have just one testing ...
4
votes
1answer
1k views

Geth or Mist do not sync any more [duplicate]

I am new to ethereum but managed to successfully start Geth on 2 of my machines , and could also install MIST. Now, since several days, one of my machines does not sync with the testnet anymore. I ...
3
votes
1answer
73 views

What is the purpose of Görli Testnet?

Görli testnet is started with the goal of being widely usable across all client implementations supporting Clique PoA engine (EIP-225) (see Comparison of the different TestNets) Since it exists ...
3
votes
1answer
116 views

Is there any lifespan of data on Rinkeby testnet?

I read that there are pre-autorized nodes which creates blocks on rinkeby testnet. If developers keep publishing smart contract and do transactions for testing purpose isn't the size of testnet will ...
3
votes
2answers
433 views

Parity unable to deploy contract on ropsten

I have running instance using parity: parity --chain=ropsten --author=0x00c62AA7449864C21E5250533577ec628849dAE2 --rpcapi=web3,eth,personal --jsonrpc-interface=127.0.0.1 --jsonrpc-port=8545 --jsonrpc-...
3
votes
0answers
1k views

Issue won't allow this transaction (Smart contract)

•Windows 8 •Mist 0.8.9 •Tesnet When I publish my crowdsale smart contract and try to send ethers,i have this warning
2
votes
1answer
995 views

Are there any bootnodes for the revived Ropsten testnet?

After Ropsten is revived from the attack, I tried syncing with geth --testnet removedb && geth --testnet --fast but I got inconsistent results every time. Currently, eth.getBlock('latest')....
2
votes
1answer
719 views

Cannot use Mist for the testnet [duplicate]

Please help me and it is quite urgent. Started from last week, I could not use the Mist and Ethereum wallet on a window environment. I always uses the test-net, however, it just stop sync again. I ...
2
votes
1answer
573 views

Sending custom token on testnet doesn't appear on etherScan or recipient wallet [duplicate]

The transaction is shown in my wallet with a blockcode. But when I clicked to go to etherscan.io, it said the transaction cannot be located. I searched with my address for all transactions, the custom ...
2
votes
0answers
79 views

Sync very slow on testnet after block around 589000 [duplicate]

For the past few days testnet is not working properly. As of now sync is very slow and all the testnet ether is lost. I came to know all this is because of some spamming attack. Did the steps ...
2
votes
0answers
154 views

Etherscan Unable to locate Transaction entry [duplicate]

I'm using the Ropsten network with Parity and when I send a transaction from an account to another account I get the good transaction hash. When I'm trying to call getTransaction(transaction_hash) I ...
1
vote
2answers
400 views

Does The Test Blockchain Get Reset/Cleared?

hi i am working with solidity and blockchain and i wanted to find out about how often the ropsten-testnet gets reset. i cant find what i'm looking for so maybe it doesn't get reset, but if it doesn't ...

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