This page picks 3 open-source / source-available Crypto / Web3, ranked by overall rating and price, with an average rating of 6 / 10. 3 of them are friendly for mainland China access (CN ≥ 2 stars). Headquarters: United States / Unknown. Data is compiled from public sources plus editorial testing, cached and refreshed every 5 minutes; compare specs and jump straight to official sites in the table below.
| # | Provider | Sub-category | HQ | Monthly | Rating | CN | Payment | Visit |
|---|---|---|---|---|---|---|---|---|
| 1 |
J jneu.net |
区块链学术研究 | United States | Free / Contact | 6.0 | — | Visit | |
| 2 |
L leanroadmap.org |
以太坊研发 | — | Free / Contact | 6.0 | — | Visit | |
| 3 |
T tarekawwad.com |
区块链咨询 | Unknown | Free / Contact | 6.0 | — | Visit |
Picks are sorted by public ratings and fields, not purchase advice; prices per the official site. This page contains affiliate links (rel="sponsored"). The full Crypto list is in the directory; rating basis is on the methodology page.