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>I kind of liked the idea of NFTs as part of an asset portability system for virtual worlds. Goldman Sachs even endorsed that. I was thinking of this for items

>I kind of liked the idea of NFTs as part of an asset portability system for virtual worlds. Goldman Sachs even endorsed that. I was thinking of this for items in the US$1 - US$100 range, like game items. The transaction costs would be too high if it took a blockchain transaction to walk through a portal, even for the cheap blockchains. This is theoretically possible on Zero Knowledge rollup L2s (two strongest contenders are zkSync and StarkNet) if they achieve sufficient scale but definitely wouldn't work on monolithic chains (not even relatively cheap ones).

Animats 5y ago
theoretically possible zkSync says they don't have their test net for smart contracts up yet. StarkNet is in alpha. For this problem, it's OK if change commit verification takes a while, as long as it's cheap. If you move your no-copy NFT from grid A to grid B, grid B can verify that you own it, even though the current state is on grid A, and let you show it on grid B. A slow check later by each grid can prevent persistent dual copies. It's like catching double spends later. It's consistent eventually. This is one of the things NFT proponents talk about - being able to move your truly-owned asset from one grid to another. However, so far there seem to be zero implementations. NFT land is tied up with make-money-fast right now. Potentially useful low-cost applications aren't getting done.
- iskander 5y ago
  Speculation generates 99% of the noise in crypto but technology does keep moving forward. L2s were just whitepapers a few years ago, now there are multiple full featured optimistic rollup L2s (e.g. Arbitrum); zkRs, which are much more complex, are getting close. Lots of complex applications are now running on single-app StarkNet (e.g. derivatives platforms like dydx) and like you mentioned, the multi-app network is in alpha.

Animats 5y ago

theoretically possible zkSync says they don't have their test net for smart contracts up yet. StarkNet is in alpha. For this problem, it's OK if change commit verification takes a while, as long as it's cheap. If you move your no-copy NFT from grid A to grid B, grid B can verify that you own it, even though the current state is on grid A, and let you show it on grid B. A slow check later by each grid can prevent persistent dual copies. It's like catching double spends later. It's consistent eventually. This is one of the things NFT proponents talk about - being able to move your truly-owned asset from one grid to another. However, so far there seem to be zero implementations. NFT land is tied up with make-money-fast right now. Potentially useful low-cost applications aren't getting done.

iskander 5y ago
Speculation generates 99% of the noise in crypto but technology does keep moving forward. L2s were just whitepapers a few years ago, now there are multiple full featured optimistic rollup L2s (e.g. Arbitrum); zkRs, which are much more complex, are getting close. Lots of complex applications are now running on single-app StarkNet (e.g. derivatives platforms like dydx) and like you mentioned, the multi-app network is in alpha.