To solve exposure of secret key in attribute-based signcryption with anonymity for both sender and receiver. key-insulation mechanism to attribute-based signcryption was untroduced. Given the formal definition and security no-tions. the scheme of attribute-based key-insulated signcryption was proposed. https://www.nacrack.com/mega-pick-Legacy-Kelly-Green-Spear-Cool-Fit-Adjustable-Visor-White-quick-deal/