PVC on Cash App likely refers to a Payment Verification Code. This code is part of Cash App's security measures, ensuring transactions are authorized by the account holder. PVCs are commonly used in online transactions to protect against unauthorized use and to confirm the user's identity. When making a transaction, the PVC might be sent via SMS or email, which the user needs to enter within the app to proceed with the payment. This additional step helps safeguard users' accounts and financial information, adding a layer of security to prevent fraud.

A pigment block refers to a solid concentration of pigments used primarily in the art and dyeing industries. These blocks can be natural or synthetic and are designed to be diluted or ground down before application, allowing for vibrant, lasting color when used in various mediums like paint, ink, or textiles. This concentrated form makes them a versatile and economical choice for artists and manufacturers, offering deep coloration and the ability to adjust shades precisely by controlling the amount of pigment used. Although handling and storage of pigment blocks require careful consideration due to their concentrated nature, they remain popular for their quality and intensity of color.

Yes, the Canon MG3620 is indeed an inkjet printer. It is part of Canon's PIXMA series, known for their all-in-one functionality, integrating printing, scanning, and copying features suitable for both home and small office use. The MG3620 model is designed to provide convenience and efficiency with its wireless connectivity, allowing users to print from smartphones, tablets, and computers without the need for a physical connection. Furthermore, it supports automatic duplex printing (double-sided printing), which is beneficial for saving paper. Its inkjet technology is capable of producing high-quality prints with a resolution of up to 4800 x 1200 dpi, which is excellent for both documents and photos, showcasing vivid colors and sharp text.