Drilldown: tool
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None (1) ·
End-to-end encrypted 1:1 and group messaging, plus voice/video calls, built on
the audited Signal Protocol (Double Ratchet + X3DH). ~40M monthly users. Registration
requires a phone number; usernames (added 2024) let you start chats without sharing it. (1) ·
Self-hostable double-entry accounting: invoicing, online payments, expense tracking,
multi-currency, unlimited bank/cash accounts. The free self-hosted tier is limited to one
user and one accountant -- fine for a single bookkeeper, not for a team that needs
shared access. (1)
None (1) ·
Custodial crypto processors like Coinbase Commerce and BitPay: they
take crypto but hold funds and impose KYC, reintroducing exactly the operator-freeze risk
that self-custody removes. If the goal is deplatform resistance, a custodial crypto gateway
gives up the main advantage. (1) ·
WhatsApp (uses the Signal protocol but is Meta-owned and harvests
metadata) and Telegram (chats are not end-to-end encrypted by default, weaker crypto). (1)
Showing below up to 3 results in range #1 to #3.


