# 7.2 Mint 25 CCC to purchase a Bronze membership
In chapter 2.4 you asked the faucet to give you 100 commercio Tokens (COM) before sending you the money the faucet send you an invitation action (later described in 7.4) to The invitation needs to be sent your address before it was made public to the network.
Why, because only previously unlisted address can be invited to the network. This invitation action can be done only by members that already own a membership. This requirement is to create a network of trusted companies where everyone is held accountable for whom they invite.
Now all you need to purchase a Bronze membership is 25 CCC. Let's mint them. We already know how to do it but let's refresh our memory
# Use cases
Sends a new transaction in order to invite the given userDid.
The Sacco library, our own open source tool to sign and send transactions to any Cosmos SDK based blockchain, including Commercio.network.
# Functions and APIs
- MintHelper openCdp.
A blockchain account can provide functions other than making payments, for example in decentralized applications or smart contracts. In this case, the units or coins are sometimes referred to as crypto tokens (or cryptotokens).
# Step by step sequence
- Generate the newUserMnemonic using bip39 and save the value;
- Call the wallet derive function using this mnemonic;
- Finally, ...
# Code Examples
Here's an example of the implemetation in all the available languages.