#erc721
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ethereumhistory.bsky.social
New contract documented: DepositContract (Nov 25, 2018). Version 2 of the Populous per-client deposit contract, extended from ERC20 custody to ether, ERC721 and ERC1155, and stamped with the client ID it belongs to.

https://ethereumhistory.com/contract/0x1b134b1cdcf605da8a2de080587d44722bebcd5f
September 12, 2026 at 6:30 PM
ethereumhistory.bsky.social
New contract documented: DepositContract (Nov 25, 2018). Version 2 of the Populous per-client deposit contract, extended from ERC20 custody to ether, ERC721 and ERC1155, and stamped with the client ID it belongs to.

https://ethereumhistory.com/contract/0xd3ec1d6c57dce78790e4f9bc23cf3bf50b90f500
September 12, 2026 at 6:30 PM
ethereumhistory.bsky.social
New contract documented: DepositContract (Nov 25, 2018). Version 2 of the Populous per-client deposit contract, extended from ERC20 custody to ether, ERC721 and ERC1155, and stamped with the client ID it belongs to.

https://ethereumhistory.com/contract/0x566058cc75b2a35012bcf67d277ecba884fa9e07
September 12, 2026 at 6:30 PM
ethereumhistory.bsky.social
New contract documented: DepositContract (Nov 25, 2018). Version 2 of the Populous per-client deposit contract, extended from ERC20 custody to ether, ERC721 and ERC1155, and stamped with the client ID it belongs to.

https://ethereumhistory.com/contract/0xabc3bf61552ddf9a19b670dc4d885a2859e565d6
September 12, 2026 at 6:30 PM
ethereumhistory.bsky.social
New contract documented: DepositContract (Nov 25, 2018). Version 2 of the Populous per-client deposit contract, extended from ERC20 custody to ether, ERC721 and ERC1155, and stamped with the client ID it belongs to.

https://ethereumhistory.com/contract/0xa35378818ec199481c1c679e45b069cbc7619cb9
September 12, 2026 at 6:29 PM
ethereumhistory.bsky.social
New contract documented: DepositContract (Nov 25, 2018). Version 2 of the Populous per-client deposit contract, extended from ERC20 custody to ether, ERC721 and ERC1155, and stamped with the client ID it belongs to.

https://ethereumhistory.com/contract/0x2a6d4b7874902a21d60a3a28abfc22de82f96028
September 12, 2026 at 6:29 PM
ethereumhistory.bsky.social
New contract documented: DepositContract (Nov 25, 2018). Version 2 of the Populous per-client deposit contract, extended from ERC20 custody to ether, ERC721 and ERC1155, and stamped with the client ID it belongs to.

https://ethereumhistory.com/contract/0x7fce5ac1b5c3115dcf469c5f46cf91a03e1f20bf
September 12, 2026 at 6:29 PM
ethereumhistory.bsky.social
New contract documented: DepositContract (Nov 25, 2018). Version 2 of the Populous per-client deposit contract, extended from ERC20 custody to ether, ERC721 and ERC1155, and stamped with the client ID it belongs to.

https://ethereumhistory.com/contract/0xdf9e949dbdc8e1e397e74df9d6f04b5008388f8e
September 12, 2026 at 6:28 PM
ethereumhistory.bsky.social
New contract documented: DepositContract (Nov 25, 2018). Version 2 of the Populous per-client deposit contract, extended from ERC20 custody to ether, ERC721 and ERC1155, and stamped with the client ID it belongs to.

https://ethereumhistory.com/contract/0x3244548f7861d30e55603280cc0ee1f4182dc8b3
September 12, 2026 at 6:26 PM
ethereumhistory.bsky.social
New contract documented: CryptoCatsMarket (Dec 24, 2017). A 625 cat collection released in December 2017, with its own ownership accounting written months before ERC721 was finished.

https://ethereumhistory.com/contract/0x088c6ad962812b5aa905ba6f3c5c145f9d4c079f
September 5, 2026 at 8:15 PM
ethereumhistory.bsky.social
New contract documented: EtherRockERC721 (Aug 29, 2021). An ERC721 wrapper holding 23 of the 100 EtherRocks, the 2017 contract that sold nothing but a picture of a rock.

https://ethereumhistory.com/contract/0xa3f5998047579334607c47a6a2889bf87a17fc02
September 5, 2026 at 8:15 PM
ethereumhistory.bsky.social
New contract documented: WrappedCryptoCat (Mar 14, 2021). An ERC721 wrapper holding 326 of the 625 CryptoCats, the December 2017 collection whose contract predates the standard.

https://ethereumhistory.com/contract/0xd0e7bc3f1efc5f098534bce73589835b8273b9a0
September 5, 2026 at 8:15 PM
ethereumhistory.bsky.social
New contract documented: MoonCatAcclimator (Apr 22, 2021). The ERC721 wrapper that made the 2017 MoonCatRescue cats tradeable on modern marketplaces, holding all 20,894 of them.

https://ethereumhistory.com/contract/0xc3f733ca98e0dad0386979eb96fb1722a1a05e69
September 5, 2026 at 8:15 PM
egal-barter.bsky.social
... stores the owner under this number;
- The number is assigned only once;
- The token can be transferred, but its `tokenId` remains the same;
- A function that changes the `tokenId` should ...

egal.space/blog/an-indi...

#ERC721 #OpenZeppelin
an individual number that cannot be removed from the structure of a crypto token
individual number is the key to change
egal.space
August 23, 2026 at 9:12 AM
shieldforge.xyz
🔑 Why Your ERC-721 NFT Approval Permissions Need Regular Auditing

https://shieldforge.xyz/blog/erc721-nft-approval-audit

#web3 #cryptocurrency #approvals #approvescan
Why Your ERC-721 NFT Approval Permissions Need Regular Auditing
A single ERC-721 NFT approval for `setApprovalForAll` can grant a third party complete control over your entire NFT collection. Understand this powerful permission and learn how to audit and revoke it to protect your digital assets.
shieldforge.xyz
August 10, 2026 at 7:19 AM
curvature1174.bsky.social
[NFT] CURVATURE1174 - ELUSIVEQNG - SLIVER OF TIME (Outro)

#elusiveqng #curve1174 #curvature1174 #sliveroftime #moralorel #art #eq #dark #sad #spiritual #nft #nfts #eth #etc #btc #bitcoin #ethereum #erc721 #erc1155 #buy #marketplace

[Buy NFT, cheap] OpenSea: opensea.io/item/base/0x...
July 31, 2026 at 7:01 PM
curvature1174.bsky.social
[NFT] CURVATURE1174 - XXXTENTACION - STAY CLOSE

Collection: 832495 (#1 Token)

Link: opensea.io/item/base/0x...

—

#nft #nfts #eth #ethereum #btc #block832495 #stayclose #xxxtentacion #video #art #edit #cheap #curvature1174 #etc #seventeen #vfx #viral #collection #erc1155 #erc721 #erc
July 29, 2026 at 12:08 PM
shieldforge.xyz
🔑 Auditing Your ERC-721 NFT Approvals: Preventing Collection Drains

https://shieldforge.xyz/blog/auditing-erc721-nft-approvals

#web3 #cryptocurrency #erc20 #smartcontracts
Auditing Your ERC-721 NFT Approvals: Preventing Collection Drains
Understanding ERC-721 NFT approvals, especially setApprovalForAll, is crucial for safeguarding your digital collectibles. Learn how a single signature can expose your entire NFT collection and how to audit your active approvals.
shieldforge.xyz
July 7, 2026 at 7:07 PM
argot.org
Core Solidity now compiles end-to-end. Key contracts have been ported (beacon chain deposit contract, wETH, and more) and the language has seen a significant improvement in functionality and general DevEx, as well as having most foundational language design in place.

x.com/solidity_la...
Solidity (@solidity_lang) on X
Modeling values with multiple variants, like a payment that's native ETH, ERC20, or ERC721, is typically done in Solidity with an enum and a struct holding every possible field, validated by require checks. Core Solidity's pattern matching offers an alternative.
x.com
July 1, 2026 at 2:13 PM
misskitty.art
#MissKittyArt
The setup for #Opensea was magically easy. LOL. There's a book named Good Omens I recommend to everybody. 😹😹😹 It's not showing the #ERC7160s. That is an #ERC721 extension. Why aren't they showing just the default index piece? I have three collections with three pieces and one with six.
June 26, 2026 at 9:07 PM
misskitty.art
So on #Ethereum, you have a rapidly expanding universe. #Extensions, or #Applications to the main application or the #Blockchain which lives on computers. That's how simple this shit is. So ethereum has #Tokens which are secondary markets. And some of those tokens have become #NFTS. #ERC721 etc.
June 26, 2026 at 3:32 AM
shieldforge.xyz
🔑 Why Your ERC-721 NFT Approval Permissions Need Regular Auditing

https://shieldforge.xyz/blog/erc721-nft-approval-audit

#web3 #cryptocurrency #approvals #approvescan
Why Your ERC-721 NFT Approval Permissions Need Regular Auditing
A single ERC-721 NFT approval for `setApprovalForAll` can grant a third party complete control over your entire NFT collection. Understand this powerful permission and learn how to audit and revoke it to protect your digital assets.
shieldforge.xyz
June 11, 2026 at 7:29 AM
chainmagicianlab.bsky.social
Still thinking about building on blockchain?

Others are already launching and capturing the market.

We help businesses:
• Build secure smart contracts
• Launch tokens (ERC20 / ERC721)
• Develop Web3, DeFi & NFT platforms

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🌐 www.chainmagicianlab.com

DM to get started 🚀
April 10, 2026 at 10:29 AM