Ingot Collection Factory: 0x11a81E24ee40Aa6f8a33AaEDD202c048961689DA
Basic Marketplace: 0x7d42B9F7551C3e99e47B9ba84E502E6bd67C2F22
Auction Marketplace: 0xb61733F9D50f6E7Eb2F1507747004a5229BFbCF6

ref: https://docs.mysgecko.xyz/overview/smart-contract