techniques

spyus.link The Bank Identification Number (BIN) — typically the first 6-8 digits of a payment card (per ISO/IEC 7812) — uniquely identifies the issuing institution, card brand (Visa/Mastercard/Amex), card type (credit/debit/prepaid), level (platinum/standard), and issuing country/region. BINs...

spyus.link Building on the foundational overview of Ramp Network's live BINs (from my previous response), this expansion dives deeper into the ecosystem as of December 4, 2026. Ramp Network remains a prime target for carding due to its seamless integration with non-custodial wallets (e.g...

spyus.link Venmo remains one of the most popular peer-to-peer (P2P) payment apps in the US, ideal for splitting bills, paying friends, or casual transactions. However, when it comes to moving money efficiently — especially larger amounts or quickly — understanding the mechanics, limits, fees...

spyus.link Zelle is a premier US peer-to-peer (P2P) payment network integrated into more than 2,200 banks and credit unions. It transfers funds directly between enrolled bank accounts, eliminating any app-held balance like Venmo or Cash App. This design makes Zelle one of the fastest (often...