Questions tagged [blake2b]

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Is there a way to validate a policy Id,and to check if a string is an actual policy id?

im trying to build something in cardano, and i want to check if policy id provided by the user is an actual policyid? after research i found that blake2b_224 is used for hashing the policy id,is there ...
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Create address from public/private keypair without external tools/apis

I am starting development with Cardano. I have created a Hierarchal Deterministic Wallet with both Bitcoin and Ethereum, so I am familiar with much of the terminology. I am trying to create a Cardano ...
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3 votes
2 answers
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Programmatically creating the policyid / scripthash in Javascript (Browser)

I'm looking for a Javascript implementation of the CLI's cardano-cli transaction policyid function, can anyone point me in the right direction here? Trying to replicate it with blakejs (https://github....
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How to calculate the transaction Id of a given signed transaction?

How do you calculate the Id of a given transaction? I have hex encoded signed transaction like this: ...
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1 answer
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How can I go about creating an Asset Fingerprint in Java?

I'm trying to implement the asset fingerprint in java. So i'm importing these dependencies <dependency> <groupId>org.bitcoinj</groupId> <artifactId>bitcoinj-core</...
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  • 639
6 votes
1 answer
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Re-Implementing Policy Hashing in Python

As the title says, I want to to reimplement the hashing part of a policy script in Python 3. I have already made a post over at forums.cardano.org, and someone has pointed me to the right direction of ...
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