Questions tagged [blockchain]

Questions about blockchain in general, when other tags cannot quite capture the essence of the question.

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Validating transactions

Original question: When 51% or more of consensus participants validate any transaction for recording on-chain, against what evidence are they validating? Original Answer: Each transaction is broadcast,...
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Data and metadata protection

Original question: Where is confidential data held and how is access to it controlled? response: It depends on the context, but if you include metadata in a transaction, those metadata will be ...
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49 views

Any update on RINA?

Recursive Interconnect Network Architecture was being discussed for Cardano. Is the networking team or anyone looking into this?
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49 views

Historic and Real-Time Data on Cardano Blockchain in csv or json format

I am conducting some research on Cardano and would like to know if there's any historic and real-time information (on daily basis or more granular) for the below area in json or csv format: (1) Number ...
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What happens if someone gets my seed phrase?

If someone happens to get my seed phrase (off a paper I wrote it on) can they restore my Daedalus wallet on another machine and take my ADA?
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How to verify data signed with nami wallet in a node backend?

I am playing around with the nami cardano wallet. I am able to link the wallet in the frontend and now want to link it to the backend. First action the frontend sends an auth request with the cardano ...
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Questions about data storage and unique identifiers

Hi there I have a number of questions i hope you can help answer: Who binds the public key to the real-world identity and the identifier used for transactions? Where is confidential data held and how ...
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1answer
32 views

Researching potential smart contract use in streamlining spare parts supply chain

I'm researching the potential for blockchain smart contracts to be utilized for streamlining order fulfillment against requirements contracts; and possibly other contracting/acquisition uses. By way ...
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71 views

How to permanently persist an arbitrary hash string in the blockchain?

I have an interesting use case for permanently storing an arbitrary hash string somewhere "reliable" publicly and, very important, with a trustworthy timestamp. For me, this sounds like a ...
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71 views

Are digital assets stored on personal devices or on the blockchain?

I keep my ADA on Daedalus. I keep my seed phrase on a piece of paper, stored somewhere at home. Say the computer where I have Daedalus suddenly dies tomorrow, and becomes inaccessible and irreparable. ...
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66 views

How can we verify the 45B ada cap cannot be exceeded?

Is there a particular place in code that forbids exceeding this market cap? Should we be constantly keeping an eye on it after IOHK hands off the project to the community? Or is it somehow imbued in ...
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38 views

Identifying node locations by region

I want to operate stake pool nodes in underserved areas. My cloud provider automatically chooses the cheapest datacenter nearest to me. But I am willing to pay more to deploy to data centers in ...
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58 views

what is the ADA (Cardano crypto-currency) SDK?

I'am very new to the blockchain community and I have a new project that i'am starting to work on using the Cardano Blockchain and its crypto ADA. I stumbeled upon the name "ADA SDK" and I ...
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How are staking rewards stored?

In another question Andrew Westberg mentions that staking rewards are not stored as UTxOs to save space on the blockchain. My question is: how exactly are those rewards associated with one's stake ...
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How are the key parameters that control Cardano governed?

I am looking to understand the 7 special keys that control all the parameters for cardano. How it's controlled, who gets to control it, and what each parameter means.
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What are the long term micro-transaction plans for Cardano?

I've seen the broader implications of throughput that layer 2 solutions like Hydra will provide for the ecosystem. But I'm curious about how the Cardano ecosystem will provide cost effective solutions ...
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90 views

Are there plans to keep the blockchain/node size small enough to maintain decentralisation?

One issue bitcoiners like to mention is node size in relation to decentralisation. Currently we are at like 10gb, I saw that the max growth is apparently 100gb a year. Are there any plans for reducing ...
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A summary on the goal of Cardano

On the website it's mentioned that: Cardano is a blockchain platform for changemakers, innovators, and visionaries, with the tools and technologies required to create possibility for the many, as ...
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How does the hardfork combinator work?

Naïvely one would think it's a mere version tag on the block. However, most other chains do not include a combinator. How does it work at the low level and why only Cardano has it?
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How does Cardano compare with other blockchains in terms of being eco-friendly?

It is pretty common knowledge now that Bitcoin is extremely energy intensive to mine, and that Cardano is several orders of magnitude less intensive. However, there are other cryptocurrencies that are ...
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How big is the Cardano blockchain (now and in the future)?

This may sound a naively simple question, but... How big is the blockchian today? How big is it likely to become in future? I note that Daedalus' state directory on my machine is currently ~10.3G. ...
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Is there a Ganache-like in Cardano?

Currently, I have been playing around with the Cardano Playground and I was wondering if there is an existing tool already present where I can personally run a Cardano blockchain like Ganache of ...
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Is it possible to reuse the blockchain for both relay and block producing nodes?

While setting up Cardano Stake Pool, we need to have at least 2 nodes: one for Relay, another for Block Producing (BP). This Relay node downloads the whole blockchain, and the BP Node will connect ...