Developer's DescriptionBy LetKnow HQLetKnow is a cross-functional space for secure communication.LetKnow is a cross-functional space for secure communication.Today It includes a messenger with a modern encrypting system, a customizable personal blog and a new test functionality - personal cryptocurrency wallets.Soon Itll evolve into LetKnow World - a payment system of a new generation for crypto and fiat money. It will contain a broad range of financial instruments for entrepreneurship and daily life along with convenient communication services:-Secure messenger - LetKnow Messenger;-Multiblog social network - LetKnow Net;-Specialized news edition - LetKnow News;-Crypto and fiat exchange point - LetKnow Exchange;-Crypto and fiat payment system - LetKnow Pay;-Cryptocurrency stock exchange - LetKnow Trade;-Raising money for startups ICO service - LetKnow ICO Processing;-Multicurrency wallets - LetKnow Wallet;-Transaction protection service - LetKnow Escrow.The objective of LetKnow World adapt blockchain opportunities to our everyday life.We believe this technology can make the lives of millions of people better.List of features:Secure messenger.-Personal audioideos calls call anywhere in the world;-Group audioideos calls (video rooms) hold conferences, meetings, chat with your family and friends;-Self-destructing messages set a timer, send a message and be calm - it will be deleted from all the devices exactly in time;-Backups all the important data is kept in the cloud storage;-Chat archiving the messenger archives the unused chats. If you receive a new message, the chat will automatically resume;-Deleting and editing of sent messages;Personal blog-Meet interesting people, let them know who you are;-Blog feed: look through, assess, re-post and share the content you like.WalletWallets and transactions in bitcoin testnet: try the new feature out with risk-free TBTC currency.