Advantages and disadvantages of the solution

1. transparency of all operations;
2. financial control and security;
3. increased security measures due to the author's developments;
4. supports the most popular crypto assets.

1. inherent risks of the blockchain: irreversibility of the transaction, loss of the secret key;
2. the limited set of available blockchains and tokens.

A feature of crypto assets is the irreversibility of transactions - there is no mechanism for canceling the transaction input in the blockchain. This risk remains in the H2K system because of the very essence of the blockchain. But in addition to this, blockchain technology allows any company with internal and external transactions in its routine operations to benefit from effective monitoring, high-quality data protection, and almost 100% security of the entire process.