| r/CryptoCurrency | 10.2M | Which exchange or wallet to use; the widest crypto audience on Reddit | Referral, promo links or codes of any kind: long-term or permanent ban | Strict | 1 |
| r/Bitcoin | 8.2M | Self-custody, spending and selling bitcoin; Bitcoin-only | Do not promote altcoins; no referral links; a new merchant may announce a service once | Strict | 7 |
| r/ethereum | 3.7M | Wallets, staking and the Ethereum ecosystem | No product promotion; no referral links; price talk only in the daily thread | Strict | — |
| r/CryptoMarkets | 2.0M | Exchanges, cashing out, how markets work | No referral links or codes; 20 comment karma and a 10-day-old account to comment | Strict | 2 |
| r/CryptoTechnology | 1.3M | How protocols and chains work | The primary purpose of a post must not be promoting a coin | Strict | — |
| r/btc | 1.2M | Bitcoin as payment, off-ramps and cash | No referral links or URL shorteners; no price posts outside the weekly thread | Moderate | — |
| r/BitcoinBeginners | 1.2M | First wallet, first sale, fees | Questions only; no advertising websites; no disguising an advert as a question | Strict | 1 |
| r/CoinBase | 466K | Support questions from users of one exchange, where “should I switch” starts | No soliciting other users | Moderate | — |
| r/Monero | 377K | Privacy, wallets and exchanges for Monero | Disclose any affiliation with a product discussed; advertising at most every two weeks | Moderate | 3 |
| r/BitcoinMarkets | 311K | Trading and choosing an exchange | Affiliation with an exchange or service must be disclosed; referral links visible and labelled | Moderate | — |
| r/defi | 201K | Protocols, yields and their risks | Protocol name in the title, risks stated; no more than 10% of your posts and comments may promote | Moderate | — |
| r/ledgerwallet | 201K | Hardware wallet setup and compatibility | No referral links; no other projects outside a Ledger-related question | Strict | 1 |