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Curio12 logo

Curio12(CRO12)

Token
0xd15af10a2584...5c3532b50271
Spurious DragonSource VerifiedEdit this contract
Deployed June 6, 2017 (8 years ago)Block 3,830,747

Curio Cards art token for Card #12 (Mine Bitcoin), art by Cryptograffiti.

Spurious Dragon EraVerified Source

Historical Significance

Part of Curio Cards, the first art show NFT collection on Ethereum and an early model for fixed-supply digital art ownership.

Context

Curio Cards launched as an online Ethereum art gallery in May 2017, before ERC-721 was widely adopted. This contract belongs to the original release set and was deployed by Rhett Creighton (@rhett_creighton), Curio Cards co-founder and Solidity developer. Published Jun-06-2017 06:31:52 PM +UTC.

Curio Card #12 artwork: Mine Bitcoin by Cryptograffiti.

Curio Card #12 artwork: Mine Bitcoin by Cryptograffiti.

Source: Curio Cards documentation

Token Information
Logo
Curio12 logo
via RPC
Token Name
Curio12
Symbol
CRO12
Decimals
0
Key Facts
Deployer
Rhett Creighton(0x3cc442...d84d66)
Deployment Block
3,830,747
Deployment Date
Jun 6, 2017, 06:31 PM
Code Size
3.6 KB
Transactions by Year
20175
20181
2021353
20227
20232
20257

Description

Curio Card #12 (Mine Bitcoin) is an original 2017 Curio Cards art token with artwork by Cryptograffiti. Mine Bitcoin is part of Cryptograffiti's Cards 11-13 Bitcoin banking-logo trio. The artwork reimagines the Mastercard mark as a direct Bitcoin mining and payment-network statement.

The contract uses ERC-20-style token functions with symbol CRO12, 0 decimals, and on-chain totalSupply 100000. The card token is locked, so no additional cards can be minted. Final card supply is 1837.

Source Verified

SolidityEtherscan verified
Compiler: v0.4.8+

Contract source is verified on Etherscan; sourceCode is included so EthereumHistory can display verified status.

Heuristic Analysis

The following characteristics were detected through bytecode analysis and may not be accurate.

Detected Type: Token

Bytecode Overview

Opcodes3,687
Unique Opcodes188
Jump Instructions214
Storage Operations66

External Links