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Returns the current network id.

**Parameters**

None

**Returns**

- `STRING` - The current network id. One of BR  
  "1": Ethereum Mainnet BR  
  "2": Morden Testnet (deprecated) BR  
  "3": Ropsten Testnet BR  
  "4": Rinkeby Testnet BR  
  "42": Kovan Testnet BR

net_version

RequestExample

ResponseNumber

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Get the latest block height of blockchain network.

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Get the detail of a block by the given block number.

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Get the detail of a transaction given the transaction hash.

Provide the param "hash" or ("block_number" and "tx_index"). If both params are provided,
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Returns the transactions from the address.

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Gets the list of events for the specified contract.

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Calls a specific function for the specified contract.

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Retrieve all token balances for all ERC20 tokens for a specified address.

By default, it will return all token balances for all ERC20 tokens that the address has ever received.
You can specify a contract address to check the balance of a non-standard contract.

Get ERC20 token balances

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Get NFTs owned by address

Returns the balance for a specified address.

Get native token balances

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Get token holders

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Get the historical price of the specified token.

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Retrieves historical token transfer transactions for any ERC20 contract.

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Get the metadata associated with the specified NFT.

Get NFT metadata

Get all owners for a specified NFT collection.

Get NFT owners by collection

Get the current owner for a specified NFT token.

Get NFT owner by token

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net_version

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