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$BlockchainBase

gives the name of the default blockchain to be used for blockchain computations.

Details
Details and Options Details and Options
Examples  
Basic Examples  
Scope  
Possible Issues  
See Also
Related Guides
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$BlockchainBase

$BlockchainBase

gives the name of the default blockchain to be used for blockchain computations.

Details

  • $BlockchainBase can be reset.
  • Possible settings for $BlockchainBase include:
  • "ARK",{"ARK","Mainnet"}ARK mainnet blockchain
    {"ARK","Devnet"}ARK devnet blockchain
    "Bitcoin" ,{"Bitcoin","Mainnet"}Bitcoin mainnet blockchain
    {"Bitcoin","Testnet"}Bitcoin testnet blockchain
    "Bloxberg"bloxberg blockchain
    "Cardano",{"Cardano","Mainnet"}Cardano mainnet blockchain
    {"Cardano","Testnet"}Cardano testnet blockchain
    "Ethereum",{"Ethereum","Mainnet"}Ethereum mainnet blockchain
    {"Ethereum","Testnet"}Ethereum testnet blockchain
    "Tezos", {"Tezos, "Mainnet"}Tezos mainnet blockchain
    {"Tezos","Testnet"}Tezos testnet blockchain
    {"Tezos",network}Tezos network specified by its name network (e.g. "Delphinet")
    {"Tezos",chainID}Tezos network specified by its chainID (e.g. "NetXdQprcVkpaWU")
    {"MultiChain","Wolfram"}Wolfram-maintained blockchain

Examples

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Basic Examples  (2)

Display the current setting for $BlockchainBase:

BlockchainData will use the current setting for $BlockchainBase:

Change the setting:

Now BlockchainData will return metainformation for the Bitcoin blockchain:

Change the setting:

Now BlockchainData will return metainformation for the ARK blockchain:

Change the setting:

Now BlockchainData will return metainformation for the bloxberg blockchain:

Change the setting:

Now BlockchainData will return metainformation for the Tezos blockchain:

Change the setting:

Now BlockchainData will return metainformation for the Cardano blockchain:

Use a Tezos chain ID to specify the network:

Scope  (1)

Get the last block of the Bitcoin testnet blockchain:

Possible Issues  (1)

Getting transaction information from the Bitcoin testnet using a transaction ID from the mainnet network will return a Missing["NotAvailable"] output:

Wolfram Research (2018), $BlockchainBase, Wolfram Language function, https://reference.wolfram.com/language/ref/$BlockchainBase.html.

Text

Wolfram Research (2018), $BlockchainBase, Wolfram Language function, https://reference.wolfram.com/language/ref/$BlockchainBase.html.

CMS

Wolfram Language. 2018. "$BlockchainBase." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/$BlockchainBase.html.

APA

Wolfram Language. (2018). $BlockchainBase. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/$BlockchainBase.html

BibTeX

@misc{reference.wolfram_2025_$blockchainbase, author="Wolfram Research", title="{$BlockchainBase}", year="2018", howpublished="\url{https://reference.wolfram.com/language/ref/$BlockchainBase.html}", note=[Accessed: 16-August-2025]}

BibLaTeX

@online{reference.wolfram_2025_$blockchainbase, organization={Wolfram Research}, title={$BlockchainBase}, year={2018}, url={https://reference.wolfram.com/language/ref/$BlockchainBase.html}, note=[Accessed: 16-August-2025]}