Update dataset card for transactions

README.md

@@ -0,0 +1,52 @@
+---
+pretty_name: Transactions-Ethereum-Cryptocurrency-Data
+tags:
+  - ethereum
+  - blockchain
+  - parquet
+  - blockdb
+---
+
+# Transactions-Ethereum-Cryptocurrency-Data
+
+Hive-partitioned Parquet export of BlockDB `transactions` (Ethereum).
+
+## Load
+
+```python
+from datasets import load_dataset
+ds = load_dataset("RBudzynski/Transactions-Ethereum-Cryptocurrency-Data", split="train")
+```
+
+Files live under `data/year=YYYY/month=MM/part-NNNN.parquet`.
+
+Range: `2015-08` .. `2026-06` (UTC calendar months).
+
+## Schema
+
+| column | type |
+| --- | --- |
+| `block_timestamp` | `timestamp` |
+| `block_number` | `int64` |
+| `tx_index` | `int32` |
+| `tx_hash` | `string` |
+| `from_address` | `string` |
+| `to_address` | `string?` |
+| `created_contract_address` | `string?` |
+| `gas_used` | `string` |
+| `effective_gas_price_wei` | `string?` |
+| `status_success` | `bool?` |
+| `root` | `string?` |
+| `tx_type` | `int16?` |
+| `trace_failed` | `bool?` |
+| `value_wei` | `string?` |
+| `input` | `string?` |
+| `nonce` | `int64?` |
+| `gas_limit` | `string?` |
+| `gas_price_wei` | `string?` |
+| `max_fee_per_gas_wei` | `string?` |
+| `max_priority_fee_per_gas_wei` | `string?` |
+| `_tracing_id` | `string` |
+| `_created_at` | `timestamp` |
+| `_updated_at` | `timestamp` |
+