Cryptic crossword No 3,779

Across

1. Builds buggy encryption method into payment process (9)
2. Island coin that's freshly minted? (3,6)
3. Maiden stirred up endless strife (5)
4. Unreliable train isn't on its way (2,7)
5. Pressure experienced around king is real (9)
6. Tablet maker's spokesman presents a revolutionary alternative in article (5)
7. Do record holders shave seconds off for nothing? (5)
8. Explosive Citroen relying upon working parts (14)
9. Brief question time, after elected back-to-back (5)
10. Ways for improving acts of worship (9)
11. Passage followed by preacher (5)
12. Royal adopting boy and troubled teens? That's a stretch! (6,8)
13. Before facing bowler, captain, with hand, makes signal: "Box!" (5)
14. Soldier's horrible acne causing laughter all around (9)

Down

1. Deceives hosts (3,2)
2. Mistakes and inside jobs (7)
3. An animated broadcast is very hard (10)
4. Trains take some time before pulling equipment (9)
5. Revolting beer tipped over one attending party (7)
6. Australian great acquires an unexpected fortune (7)
7. Hallmark's stream is late at Prime sites (5)
8. Go down, right, left, right, left (4)
9. How some museums operate if no one shows? (9)
10. Measures taken by this regressive county to bury recycling tip (5)
11. Those in parliament after college are hoods! (5)
12. Lawrence on late-starting servant: "He's soft!" (10)
13. Senator upset with empty promises to increase number of flats? (9)
14. Sweetheart, blowing top, rips off covers and returns with Sally (7)
15. Northants also about to host final (4)
16. Decent sound from cat launched past very top of tree (9)