#openledger $OPEN Post at least one original piece of content on Binance Square, with a length of no less than 100 characters. The post must mention the project account @OpenLedger ger (https://www.binance.com/en/square/profile/openledger), tag token $OPEN , and use the hashtag #OpenLedge r. The content must be strongly related to OpenLedger and must be original, not copied or duplicated. This task is ongoing and refreshes daily until the end of the campaign and will not be mark