Questions tagged [native-assets]

tokens created on the Cardano network

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11 votes
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Where can I find design and documentation resources on Plutus Staking smartcontracts?

When I was exploring haddock of Plutus I have found that Plutus script can have Rewarding ScriptPurpose: data ScriptPurpose = Minting CurrencySymbol | Spending TxOutRef | Rewarding ...
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9 votes
2 answers
276 views

Are native tokens divisible?

If I mint a NEAT token, can I send .5 NEAT to someone or do I have to send a whole 1 NEAT?
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9 votes
3 answers
312 views

Is there a limit on how many distinct tokens can be sent in one transaction?

Let's say someone has 10'000 different tokens on one address. Each token is in a single UTxO. Would it be possible to send them all in one transaction to another address (or the same address), so they ...
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9 votes
2 answers
381 views

Is the length (in characters) of a token policy id always the same?

Let's say I have the following native token unit d5e6bf0500378d4f0da4e8dde6becec7621cd8cbf5cbb9b87013d4cc537061636542756433323639 that consists of the policy id ...
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  • 3,196
9 votes
5 answers
361 views

The feasibility of stable coins given the min-Ada-value requirement

Cardano requires that every transaction output contains at least a value of 1 Ada. As the documentation points out, this means that it is not possible to send only native tokens in a transaction. I ...
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  • 1,356
8 votes
3 answers
167 views

Did the token fingerprint hash algorithm change?

I have an question about the asset fingerprint. For example here: https://pool.pm/333427e94971f530653bb945f34f914252ad570c0b84dfd8c8e8c97b.ExtraHate067 it shows ...
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  • 669
8 votes
2 answers
1k views

NFT Image not Displaying in Pool.pm after using the 721 Metadata Standard

I am not seeing the image of the NFT I minted a couple of hours ago on pool.pm. I used the standard recommended by Alessandro Konrad and Smaug in https://github.com/Berry-Pool/CIPs/blob/master/CIP-...
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7 votes
1 answer
1k views

Verify that Token is NFT

I was wondering how it is possible to actually validate if a certain Token is an NFT without having to inspect the code of the script which mints that Token? Only by checking if the current quantity ...
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7 votes
1 answer
111 views

Can Marlowe contracts involve native assets?

Can Marlowe contracts involve native assets? For example if I want to issue a bond denominated in USDC
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7 votes
3 answers
461 views

Is Cardano pushing developers into an Ethereum-type account model?

Cardano is build on the eUTxO model which it prides to be more robust and easy to think about than the Ethereum account model. When Cardano introduced native tokens it also was proud to announce their ...
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6 votes
3 answers
870 views

Is it possible to send a native token to another wallet while sending the minimum amount of ADA to my own wallet?

Every transaction needs to include at least 1 ADA (See: Is there a minimum amount of ADA I can send in a transaction?). I want to send a native token to someone else, but I don't want to send them the ...
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6 votes
1 answer
109 views

Can Babel fees be extended to be a protocol level DEX?

With Babel fees one can pay for transactions in native tokens. Could this be extended to where someone could pay for the ADA part of the transaction fee and also provide a swap with a different native ...
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6 votes
3 answers
296 views

Where can I learn to make Cardano NFTs that have varying rarity levels when they are purchased for the first time?

I have seen some really cool projects like cryptoknitties and crypties with rarity levels and they usually come in like 5-10k. I have some great ideas but I can't find anywhere to learn how to do this ...
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6 votes
5 answers
855 views

When will Daedalus show NFT'S?

I believe it is already possible to see NFT'S in Yoroi, I am wondering when could we expect similar features in Daedalus.
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6 votes
1 answer
122 views

How to implement continuous interest accruing with native tokens

In Ethereum some ERC20 tokens use a calculation to compute the balance, is not just a value stored in a map. Take for example AAVE. When you deposit 100 USDT in AAVE, you get 100 aUSDT, this aUSDT is ...
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5 votes
1 answer
867 views

How to mint multiple NFT assets in the same transaction?

The developer guide doesn't cover this. Here is an example of what I'm trying to do: https://cardanoscan.io/transaction/e1c7bc707e56bf37b4325dc4b7fe524eafe8ca746e54746d60b321588ffebb6c?tab=tokenmint I ...
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5 votes
1 answer
41 views

What is meant by 'address is not spendable'?

The Cardano native token documentation explains how the the native tokens can be transacted and that a fee in ada is required for the transaction (min-ada-value). They continue with 'If the address is ...
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5 votes
1 answer
262 views

"min-ada" bottleneck to Cardano analogous to "gas fee congestion" for Ethereum?

In reference to Min-Ada-Value Imagine the following scenario: Alonzo's long anticipated smart contracts finally arrive to the main net The ERC20 converter is a massive success and ports hundreds of ...
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  • 61
5 votes
1 answer
81 views

Is there a limit to the integer size representing a native token supply?

Is there a limit to the integer size representing a native token supply in Plutus? Does it share the same limit as Haskell GHC's native Integer representation of ~16GB (if I am not wrong). Does ...
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  • 488
5 votes
1 answer
115 views

How do I get my Native Token listed on an exchange?

What does it require to be able to list my Native Token in exchanges, so that users of my ecosystem can buy it?
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5 votes
1 answer
152 views

Create a Native token for voting & burn afterwards

I am looking to issue voting Tokens. The basic idea is that I will send something like 100 tokens to 10 people. Then there will be three wallets that act as ballot box. In order to incentivise the ...
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  • 185
5 votes
2 answers
282 views

Is there a metadata standard for native assets (talking about fungible tokens first) in Cardano?

I've already made preliminary research about the standard. The below link seem to describe it very well: https://docs.cardano.org/en/latest/native-tokens/using-the-token-registry/token-registry.html ...
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5 votes
1 answer
190 views

Change minted tokens recepient

I am trying to create a dApp in which "accounts" are authenticated using a minting policy script. It should work by only allowing the minting of tokens if they are sent to an arbitrary ...
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  • 773
5 votes
1 answer
81 views

Should I hold ADA as company to pay fees and issue Native Tokens for my game?

As far I know Carano will allow to pay fees in Native Tokens, so fees will be on ADA + a reward. But I have questions about it after reading this blog post from IOHK. If I'm running the economy of my ...
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4 votes
2 answers
148 views

Can smart contracts be used to mint native assets?

Cardano doesn't need to use smart contracts to mint native assets. But is it possible to mint native assets using smart contracts? And if so, is there an example how this can be done?
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4 votes
2 answers
95 views

What is the most trusted Third party tool for Minting Native Tokens on cardano?

I have come across many Third party minting sites, however, I have a security concern, as per the keys, and policies. So what is the most trusted Third party tool for Minting Native Tokens on cardano?
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3 votes
2 answers
532 views

If metadata can be changed, how can the uniqueness of an NFT can be guaranteed?

Let's say, there's manufacturer that produces luxury watches, and he uses Cardano NFTs to track their authenticity. He embeds unique serial number of a watch into metadata of NFT. One watch - one NFT,...
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3 votes
2 answers
261 views

What is the value of ADA locked in a Native token?

I was wondering, if ADA locked in an native asset is equally valuable? For me it is like if somebody put a draw on a ticket but there are other implications: it can give trouble when making ...
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3 votes
2 answers
165 views

How to burn Cardano token after the 'invalid after' passes?

My token policy script is: all: [ { invalidAfter: 40951072 }, { pubKey: "36ed345d252a242ad67072db79e5736866fa58ebe3fd782739208ef6" }...
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3 votes
2 answers
129 views

Is ada an asset, token, both, neither?

According to the docs, ADA is an asset and a token, but they also indicate that tokens are on-chain versions of some off-chain asset. They also compare ADA and tokens in ways to imply that they are ...
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3 votes
1 answer
273 views

How to send a transaction for Cardano native assets via CLI?

For example to list UTXO is something like this cardano-cli query utxo —mainnet —address addrX which returns as an example TxHash TxIx ...
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3 votes
2 answers
390 views

Is there an API or website where I can see all addresses that hold a specific native token/asset?

I want to get all addresses that hold a specific native asset/token. I'm not talking about NFTs but tokens that have a quantity of more than one. Examples would be the spacecoins or the hosks. I want ...
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  • 3,196
3 votes
1 answer
42 views

checkMintedSymbol

What exactly this function is validating? checkMintedSymbol :: Bool checkMintedSymbol = case flattenValue (txInfoMint info) of [(cs', _, _)] -> cs' == ownCurrencySymbol ctx _ -&...
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  • 133
3 votes
1 answer
119 views

Define a native token minting policy restricted by NFT

I have found examples indicating that a minting policy can be single shot or restricted by PubKeys, however I would like to secure minting and burning of a token based on if a specific NFT is present ...
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  • 175
3 votes
1 answer
71 views

Properly (safely) verify that transaction contains an Cardano Native Token or NFT

All the available on-chain validator programs that limit certain redeemer actions to transactions containing an NFT use hasToken :: TxOut -> Bool hasToken txOut = assetClassValueOf (txOutValue ...
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3 votes
0 answers
47 views

How to mint mint NFT with StateMachine

I would like to mint an NFT in a particular state of the state machine Does anyone know where I can find some examples?
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2 votes
2 answers
86 views

Is it possible to specify metadata for native asset on-chain?

I know about token registry, which is off-chain, but I noticed that some tokens such as HOSKY are not in token registry and yet they have logo, description, URL and coin name visible on pool.pm. Is it ...
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2 votes
1 answer
67 views

Staking native assets (to stake pools)?

Is there support built in to Cardano for stake pools to receive staking of native assets? For example, the Meld Protocol plans to include staking of Meld tokens. Are they likely to / able to use (...
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  • 454
2 votes
1 answer
513 views

Blockfrost assets api issues

We are developing an app that must get the asset id and get its details from metadata, right now we are using blockfrost.io. It works very good for policy Id's, we can use the pool.pm website and get ...
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2 votes
1 answer
87 views

Minting Native Assests - Error Building the Raw Transaction: $output variable

I'm following this doc on how to mint native assets with Cardano and have received an error that I can't get around. The problem is with the $output variable in the $tx-out parameter of the cardano-...
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2 votes
1 answer
91 views

Using cardano-wallet to mint native assets

The cardano-wallet api documentation describes an endpoint which appears useful for minting native assets (https://input-output-hk.github.io/cardano-wallet/api/edge/#operation/mintBurnAssets). ...
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1 vote
1 answer
69 views

How can I get the wallet distribution of a token?

I'd like to determine the number of wallet holders for (example) Lobster holders ClayNation owners How can I query this with a full node?
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1 vote
2 answers
129 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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  • 113
1 vote
2 answers
80 views

How to embed smart contract in website

I am creating a dapp website and which will reward it's users on completing different tasks. I have to create cardano native tokens. My question is that how can I send, lock and burn native tokens ...
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1 vote
1 answer
59 views

How does one create a new native token with full control? [closed]

We would like to create a native asset on Cardano ourselves. How does one go about doing this?
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1 vote
2 answers
51 views

How to create a Cardano private network

I need help with a project proposal, but I think this topic could be interesting for many developers and architects. Does somebody know how to start to build a private Cardano network or where I can ...
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1 vote
2 answers
57 views

How can I allow users to update a public array of data based on whether they own a token or not?

I want to construct public lists that can be altered by people who own a specific token. Is there a way I can group data together into an array like structure and allow users to append to it? I ...
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1 vote
2 answers
54 views

How can I grant an NFT holder a one time action in a web app?

I would like users to be able to perform a one time action on a web app, i.e. claiming one physical item per NFT owned, what would be the best way to keep track of tokens that have already claimed ...
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1 vote
2 answers
93 views

Are negative values valid quantities in native assets?

In Cardano's Alonzo CDDL (Concise Data Definition Language) specification, it seems that the value of an asset could be negative. Is it correct? If the above assumption is correct, I am wondering how ...
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  • 333
1 vote
1 answer
231 views

How does one-time minting policy actually work?

In week 5 of plutus-pioneer-program with NFT example this plutus minting policy code is provided: {-# INLINABLE mkPolicy #-} mkPolicy :: TxOutRef -> TokenName -> () -> ScriptContext -> ...
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