According to data from CryptoSlam, in December, Ethereum's on-chain NFT sales exceeded $480 million, currently reaching $488,508,973.42, setting a record high since March of this year. Last month, Ethereum's on-chain NFT transaction volume reached 696,811, with approximately 98,834 unique buyer addresses and about 89,048 unique seller addresses; additionally, in December, Bitcoin's on-chain NFT sales surpassed $170 million, currently reaching $177,516,231.94, with last month's Bitcoin on-chain NFT transaction volume at 292,376, including approximately 70,642 unique buyer addresses and about 68,875 unique seller addresses.