Our take
bity
Bity provides a non-custodial fiat gateway and crypto brokerage established in Neuchâtel, Switzerland. Operating since 2014, the service connects European banking rails including SEPA and Swiss domestic transfers directly to on-chain cryptocurrency deliveries. Unlike centralized trading hubs that hold account balances on centralized ledgers, Bity functions as a direct execution intermediary. Purchased assets settle immediately into personal self-custody addresses, while crypto sales convert into bank payouts or physical cash through its regional ATM network.
This operational architecture eliminates counterparty insolvency custody exposure, appealing directly to users who prioritize wallet autonomy and Swiss regulatory standards. The tradeoff emerges in transaction costs, as integrated broker fees and network mining charges exceed standard maker and taker tiers on deep order books. For retail buyers and institutional clients demanding direct on-ramp execution without exchange-side asset custody, Bity delivers a focused and transparent Swiss service.
Rainbow
Rainbow establishes itself as a vibrant, user-centric software wallet engineered primarily for the Ethereum Virtual Machine ecosystem. By giving users absolute authority over their private keys and seed phrases, the application preserves authentic self-custody principles across iOS, Android, and popular Chromium-based desktop browsers.
From a cost perspective, installing and maintaining the software costs nothing, but relying on built-in token swap and bridge aggregators introduces an embedded convenience fee on top of standard network gas. While this fee model mirrors many consumer-facing Web3 wallets, frugal market participants can bypass interface surcharges by executing trades directly via external decentralized exchange protocols. For collectors and active onchain participants navigating Ethereum Layer 2 networks, Rainbow delivers an accessible, highly visual operating hub with responsive hardware pairing options.