A Base-native token (precompile): cheaper gas, built-in roles and supply cap. One transaction β the token is created and the supply lands in your wallet.
B20 Pro β full control
Token variant, roles, supply cap, metadata URI β all configured atomically at creation through the B20 Factory.
Create an NFT collection
ERC-721 with rarity tiers. Image and metadata are stored fully onchain β no IPFS, no servers.
A personal badge issued as a B20 token: supply of 1, admin-less, permanent. The badge address is deterministic β one per wallet.
The badge is created through the B20 Factory as an admin-less asset token with a supply cap of 1:
the image is baked into contractURI and the mint is tagged with the memo b20-builder-badge.
Once created it can never be modified or re-minted.