Questions tagged [blockfrost]

Anything referencing to Blockfrost API.

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1answer
40 views

Get a list of top asset hodlers for a specific asset

I'm using the Blockfrost API to get a list of the top holders of an asset. ie. The people with the highest quantity of this asset in their wallet. I'm using Blockfrost's API, and the specific call I'm ...
2
votes
1answer
11 views

What is supply.locked in the blockfrost API /network endpoint?

I have been working on a data analytics on Cardano using blockfrost. I am fairly familiar with Cardano tokenomics, but I have been wondering about the supply.locked data in the /network endpoint. Here ...
1
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1answer
25 views

How to interpret asset transactions data for a NFT?

Using the blockfrost API I quired the transaction history of a NFT using the following script: from blockfrost import BlockFrostApi, ApiError, ApiUrls api = BlockFrostApi( project_id='...
1
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2answers
66 views

Cardano Node + DB Sync + Graph QL vs. Blockfrost API

I've been contemplating the value of essentially running all your own infrastructure by deploying Cardano node, along side DB Sync and exposing it through Cardano GraphQL. I like the idea of building ...
1
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2answers
37 views

Burn token using blockfrost java sdk?

Does anyone have an example how to burn a NFT using the blockfrost.io java SDK or Javascript SDK? Thanks a lot in advance.
2
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3answers
135 views

How to get Policy Script for a specific policy-ID

how can i get the script information for a given policyID. I am mostly interested in the "invalidAfter" Slot number. So far i could not find any option for example by using Blockfrost API. ...
2
votes
1answer
44 views

How to create and sign a transaction on a mobile device?

I would like to create a simple mobile application (iOS) that would create and sign a transaction and submit it through an API like Blockfrost to the network. Preferably that transaction would ...
7
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3answers
741 views

Minting a NFT (collection) with Blockfrost

I see al lot of NFT projects where you can buy 1 or multiple NFT's for a certain price. Like unsigned_algorithms, CardanoTrees etc. I am curious how these projects are created without the use of smart ...
3
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1answer
52 views

Unable to view images from ipfs.blockfrost.dev

I am unable to view images on ipfs.blockfrost.dev on my Mac. However, I can view them on my iPhone. I have tried Brave, Chrome, and Safari browsers. Here is the error message I get when I click '...
4
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1answer
132 views

Blockfrost, GrapgQL or any API for cardano help, working with javascript

I am building an MERN stack app cardano dex tool, I want to use Blockfrost. I have installed the SDK in Node.js backend, but there are only very few examples on how to get any kind of data from it. ...
6
votes
1answer
256 views

How can I create a serialized transaction that can be submitted to the blockchain without a local full node?

My goal is to send a transaction (e.g. send 1 ADA from addr1A to addr1B) using the following endpoint of the blockfrost.io API: "Submit an already serialized transaction to the network." ...
2
votes
1answer
188 views

Blockfrost API and IPFS issues

Right now I have some NFTs to pin on the blockfrost IPFS. That way I don't need to run the node 24h a day. But for some reason the API returns an error when I try to add new assets. I'm using a free ...