Originals / Generations
721 vs 721J
With normal ERC-721 tokens, releases are limited to either a 1/1 or editions. It's one or the other.
With 721J you can make both 1/1 and editions for the same song, with the copies having a verified lineage from the original.
Prove You Made It
Even if the artist doesn't intend to sell anything, it's important to make digital originals of all our art to prove it was made by us. It's the best way to verify our digital history.
With the Contract Wizard, you can create original 1/1 tokens that are intended for the artist to hold and mint copies from. The idea of artist held digital master tokens is based on the wallet being part of presenting the art. The artist held 1/1 is important if the artist's wallet is to be seen as a collection of the artist's work.
If the artist ever wants to make copies of their original to send to friends, they can do so easily. They can set a price and stake it to the store for anyone to mint, or just keep the 1/1 as a token of their creation.
1/1 Originals
All new songs start as an original 1/1 token designed for the artist to hold and use in the presentation of their art, in a curated artist wallet or anything else.
The original is the top rarity, also known as "generation 1". Since the only wallet that has the ability to make a copy is the holder of a token, the artist has full control over the supply of the "generation 2" copies.
Once copies have been made, then the holders of those copies also have the ability to make copies of their tokens. The image below visualizes how copies are made and how generations work.
Things You Can Do With Rarities
Depending on how the artist wants to do it, generations/rarities can be viewed in different ways.
The "Gen 2" copies can be treated as "1st edition" tokens. Think 1st edition Pokemon cards. Another way to think of it could be color coded item rarities in MMORPGs like WoW, or games like Team Fortress 2 or CounterStrike.
A way to reward collaborators
Gen 2 copies could possibly be shared with the collaborators of a song.
If you're the artist, and collaborated with 4 other people for your song, you could send each of your collaborators a Gen 2 copy of the token. Then the top rarities are all held by the individuals that created the art. Then you could make the collector rarity Gen 3, then uncommon and common rarities farther down. It's up to the artist how to express rarity.
Another angle to view top rarities is to create an investor/patron tier of rarity, as in a purposefully more rare mint that's intended to help fund the artist.
Provenance
Provenance is an important thing to 721J tokens because it isn't just about who held a token in the past. It's also about the parents of a token.
For example, you have 2 copies of a song, both Gen 3 rarity. One of those copies was minted from a Gen 2 token owned by a famous person, and the other was minted from a Gen 2 token owned by an anon wallet. The token that was minted from the famous wallet will have an added value from provenance.
I'm sure some people will care a lot about if the copy has a noteworthy mint family tree. And its a fun idea, that these tokens have a family tree.
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