CRYPTO NEWS

Crypto Market Forecast: Week of October 18th 2021

A curated weekly summary of forward-focused crypto news that matters. This week, Bitcoin surges past the US$60,000 price level as the market prepares for the launch of an ETF, demand for derivatives heats up and Binance launches a US$1 billion growth fund.

Is it possible to have a mapping with a hash as key?

Is it possible to have a mapping in Solidity with a hash as key? For example: mapping (hash => uint) hashToInt; If not, is there any way to group some information and put it as a key of a mapping?

Is it possible to have a mapping in Solidity with a hash as key?

For example:

mapping (hash => uint) hashToInt;

If not, is there any way to group some information and put it as a key of a mapping?