
xHashtag
xHashtag is a Web3 reputation protocol that lets users build on-chain credentials with soul-bound ".soul" domain names.

What is xHashtag?
xHashtag is a Web3 reputation protocol that makes it easier to stack up and fetch on-chain credentials across Ethereum, Polygon, Avalanche, BNB Chain, and Solana. xHashtag offers a ".soul" domain name, which is simultaneously a soul-bound NFT. This domain name serves as a testament to the activities holders have done on-chain. As a platform, xHashtag also helps projects grow their user base, as participants earn SBTs in return for engagement.
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Developer resources from Alchemy

Solana archival data: how to query full block and transaction history
Solana archival data explained: why nodes prune history, which RPC methods need archival access, and how to query full block and transaction history at scale.

Photon on Alchemy: compressed Solana data, standard RPC
Photon / ZK Compression read methods now run on Alchemy’s standard Solana RPC URL—one endpoint, production-scale latency, and a migration that is a URL change from other Photon-compatible providers.

CyberConnect achieves massive scale using Alchemy's AA infra
CyberConnect is a web3 social network utilizing blockchain technology to empower users with ownership of their identity, content, and social data.
xHashtag alternatives
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

