Web3JS Online
Viem Online
Webhooks, Alerts, and a simple API.
The keccak256Wrapper function is a utility method provided by the web3.utils module that allows you to easily calculate the Keccak-256 hash of various types of input data. Keccak-256 is a cryptographic hash function that produces a fixed-size hash value, which is commonly used in blockchain applications such as Ethereum.
The function takes a single parameter, data, which can be a string, number, bigint, Uint8Array, or an array of readonly numbers. The data parameter is the input that you want to hash.
The keccak256Wrapper function returns a string representing the Keccak-256 hash of the data parameter. The hash value is a 32-byte hexadecimal string, which is typically prefixed with "0x" or "0x0" to indicate that it is a hexadecimal number.
Here are some examples of how you can use the keccak256Wrapper function:
Hash a string:
Hash a number:
Hash a bigint:
Hash a Uint8Array: