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Supported ChainsCronosJSON-RPC APIBlock Methods

eth_getBlockByHash - Cronos RPC Method

Retrieve complete block data by block hash on Cronos. Essential for Cronos developers building DeFi and payment applications building on the EVM-compatible Crypto.com blockchain.

Returns information about a block by hash on Cronos.

Why Cronos? Build on the EVM-compatible Crypto.com blockchain with fast finality and deep Crypto.com ecosystem integration.

Use Cases

The eth_getBlockByHash method is essential for:

  • Block verification - Verify block data using its unique hash
  • Chain reorganization handling - Track blocks during reorgs
  • Cross-chain bridges - Verify block finality for DeFi protocols, NFT marketplaces, and Crypto.com ecosystem integrations
  • Deterministic queries - Get consistent block data regardless of chain state

Request Parameters

Request
blockHashDATA

32-byte block hash

fullTransactionsBoolean

If true, returns full transaction objects; if false, returns transaction hashes

Response Body

Response
numberQUANTITY

Block number

hashDATA

32-byte block hash

parentHashDATA

32-byte parent block hash

timestampQUANTITY

Unix timestamp

gasUsedQUANTITY

Total gas used

transactionsArray

Transaction objects or hashes

Code Examples

Bash
curl -X POST https://api-cronos-mainnet-archive.n.dwellir.com/YOUR_API_KEY \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "eth_getBlockByHash",
    "params": [
      "0xc8a64cd89ea7954a5f8064bf7c5fb907226e1dbb66a05d6043f7052191686f06",
      false
    ],
    "id": 1
  }'

Error Handling

Error CodeMessageDescription
-32602Invalid paramsInvalid block hash format
-32000Block not foundBlock with this hash does not exist