Text this: Multi-authority ABS supporting dendritic access structure

 ______     ______   _____       ___      ______  
|      \\  /_   _// |  __ \\    / _ \\   /_   _// 
|  --  //   -| ||-  | |  \ ||  | / \ ||    | ||   
|  --  \\   _| ||_  | |__/ ||  | \_/ ||   _| ||   
|______//  /_____// |_____//    \___//   /__//    
`------`   `-----`   -----`     `---`    `--`