Curio Cards vending machine for Card #20 (MadBitcoins).
Historical Significance
This sale contract is part of the original Curio Cards primary-sale infrastructure for Card #20 (MadBitcoins).
Context
Curio Cards used separate sale contracts to distribute fixed-supply art tokens from the 2017 collection. Collectors bought cards by sending ETH directly to these sale contracts, which then delivered the corresponding card tokens from the vending machine inventory. Rhett Creighton (@rhett_creighton) is Curio Cards co-founder and Solidity developer.
Token Information
Key Facts
Description
This contract is an original Curio Cards sale/vending machine deployed by Rhett Creighton (@rhett_creighton). It references token 0xd0ec99e99ce22f2487283a087614aee37f6b1283 (Card #20 (MadBitcoins)). The runtime includes sale functions such as available(), price(), amountRaised(), claimFunding(), and ERC-20 transferFrom integration.
Heuristic Analysis
The following characteristics were detected through bytecode analysis and may not be accurate.
Spurious Dragon Era
Continued DoS protection. State trie clearing.