# Block
## Properties
**block_height** | **String** | A string containing a 64-bit unsigned integer. We represent u64 values as a string to ensure compatibility with languages such as JavaScript that do not parse u64s in JSON natively. |
**block_hash** | **String** | |
**block_timestamp** | **String** | A string containing a 64-bit unsigned integer. We represent u64 values as a string to ensure compatibility with languages such as JavaScript that do not parse u64s in JSON natively. |
**first_version** | **String** | A string containing a 64-bit unsigned integer. We represent u64 values as a string to ensure compatibility with languages such as JavaScript that do not parse u64s in JSON natively. |
**last_version** | **String** | A string containing a 64-bit unsigned integer. We represent u64 values as a string to ensure compatibility with languages such as JavaScript that do not parse u64s in JSON natively. |
**transactions** | Option<[**Vec<models::Transaction>**](Transaction.md)> | The transactions in the block in sequential order | [optional]
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