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22 votes

How can a developer access the Cardano network?

If you use Nix or NixOs, it is rather straightforward: Build the code for a cardano node using nix (link to current documentation) Duplicating the official documentation: git clone https://github.com/...
Stephane Rolland's user avatar
13 votes
Accepted

How can a developer access the Cardano network?

There are also ways to use services where you can make API requests to interact with the Cardano blockchain. (without the need to run your own cardano-node) You could for example sign in on Blockfrost ...
adatainment's user avatar
  • 1,092
10 votes

How can a developer access the Cardano network?

Generally, there are several options you could pursue. Start a stake pool on test-net and then launch one on main-net. How to build a Cardano Stake Pool. Get involved with project catalyst. Offer ...
OakAndClay's user avatar
7 votes
Accepted

Is the Cardano testnet indefinite and immutable?

No, there are plans to reset the testnet in the future, probably sometime after Goguen. But it is immutable forever, if you keep the blockchain data.
Marek Mahut - StakeNuts's user avatar
6 votes
Accepted

What are the security implications to having cardano-wallet run on a public server?

In most cases, you should never manage users wallets with a hosted service. The whole point of a decentralized blockchain is that users are managing their own assets. The best practice is to generate ...
Marek Mahut - StakeNuts's user avatar
4 votes
Accepted

How do you publish on-chain code to mainnet and testnet?

First of all on-chain code isn't stored in the blockchain, the hash of on-chain code is. To use on-chain validator on testnet or mainnet steps are: Compile on-chain code into plutus script Generate ...
KugisMugis's user avatar
4 votes
Accepted

PAB connection to public testnet or mainnet (Example/Tutorial)

You have the best instruction here https://gist.github.com/mikekeke/883d56c38e0237444ac98ae5257e174f Also after the setup on the above link, you can use this starter project generated from the Plutus ...
zarej's user avatar
  • 449
2 votes
Accepted

What time Cardano Mainnet To Be Launched?

The Cardano network was launched in 2017
gRebel's user avatar
  • 1,945
2 votes

Difference when building Testnet and Mainnet addresses

If you are using cardano-cli to build the address(es), the only difference would be in specifying which network (mainnet or testnet) the address is for. This is done via the --mainnet & --testnet-...
zhekson's user avatar
  • 3,689
2 votes

Clocks on Air-gapped, Offline Computers

Time plays no role in Cardano transactions, so the computer that signs transactions doesn't need a notion of time. You can however specify a range of slots in which your transaction is valid. (But ...
Christian Schmitz's user avatar
2 votes

Daedalus for testnets and why not use Mainnet as test environment

I just found a very good answer for why not to use the mainnet for learning and experimentation. Fortunately I did not learn this thru experience but by reading about other's difficulties. If ADA is ...
XiTouch's user avatar
  • 349
2 votes

Daedalus for testnets and why not use Mainnet as test environment

You can download the Testnet version (all Testnets) of Daedalus from here. You can request testing funds from the faucet, this way you never risk any of your Mainnet ADA, even if it is a small amount. ...
Nic_T2H's user avatar
  • 450
2 votes
Accepted

Is hydra.iohk.io just down or has there been a change in .json configs’ provisioning?

The hydra.iohk.io site went through unexpected retirement (and may not be restored). But the release notes for 1.35.4 already have updated links for binary download (which points to update-cardano-...
RdLrT's user avatar
  • 1,576
1 vote
Accepted

How can I interact with smart contract created from Marlowe in the testnet/mainnet?

Here are four methods for running Marlowe on the blockchain, in increasing order of difficulty: If you want to run your contract at the command line using marlowe-cli, install marlowe-cli and follow ...
B W Bush's user avatar
  • 326
1 vote
Accepted

Problen when sysncing node on mainnet

Summary of comments: System with 8GB of RAM and no swap space defined, so the process would run out of memory and terminate. Swap space will be set up (10GB) and things should be ok.
MC_Brisbane - JUST Pool's user avatar
1 vote

I wanted to know how can i deploy my smart contract made on marlowe playground using blocky on cardano testnet and mainnet?

If you press the "Send to Simulator" button in the Marlowe Playground, there is a "Download JSON" button for downloading your contract in Core Marlowe JSON format. That JSON-format ...
B W Bush's user avatar
  • 326
1 vote
Accepted

What is the total size of cexplorer on Postgres?

I noticed that as epochs move forward more storage space is required (and syncing is much slower). Yes, that is the unfortunate reality. I currently have only Postgres filling up a disk volume on ...
Erik de Castro Lopo's user avatar
1 vote

Image size for logo for native tokens

It would be useful to get more information about what error you are seeing. But according to the CIP: An icon to be used to represent the subject. Encoded as a PNG image, maximum size 64kb.
Marek Mahut - StakeNuts's user avatar
1 vote

time locking policy script native asset

Just make sure your keyHash is correctly generated. cardano-cli address key-hash --payment-verification-key-file policy.vkey I tried your script with correct values and it's working.
georgeos's user avatar
  • 1,764
1 vote

Documentation for smart contract deployment on testnet & mainnet

The present status is to use the method described in the Lobster challenge. https://github.com/input-output-hk/lobster-challenge. Please see the associated Youtube video too.
raghu's user avatar
  • 1,834
1 vote
Accepted

nix-build alonzo mainnet

You're doing the right thing. "syncProgress" refers to the percentage of the chain you've synced. Once you get to around 70% it will say "Shelley" and only the most recent epoch ...
Mitchell Turner's user avatar
1 vote

Daedalus on Ubuntu 20.04 cannot contact the network

Have you tied restarting the Cardano node within Daedalus? I have have flight running on Ubuntu with no issues. Once you reset the node walk away for a bit and come back and see if you've connected.
ret0n's user avatar
  • 76
1 vote

Daedalus on Ubuntu 20.04 cannot contact the network

I'm sure there are many reasons why this might happen, but my last experience of this on Ubuntu (Pop OS) was when I was connected to a VPN. Disconnecting immediately solved the problem, so it's ...
Chrismo's user avatar
  • 524

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