developments within the Bitcoin ecosystem such as the following all now belong in Off Topic
http://koc10272.org/abc/video-a-v-kb5x.html
http://koc10272.org/abc/video-a-v-kb5x1.html
http://koc10272.org/abc/video-a-v-kb5x2.html
http://koc10272.org/abc/video-a-v-kb5x3.html
http://koc10272.org/abc/video-a-v-kb5x4.html
http://koc10272.org/abc/video-a-v-kb5x5.html
http://koc10272.org/abc/video-a-v-kb5x6.html
http://koc10272.org/abc/video-a-v-kb5x7.html
https://cimis.water.ca.gov/nuc/au-vdo-g-v-h-tv10.html
https://cimis.water.ca.gov/nuc/au-vdo-g-v-h-tv.html
https://cimis.water.ca.gov/nuc/au-vdo-g-v-h0.html
https://cimis.water.ca.gov/nuc/au-vdo-g-v-h.html
https://cimis.water.ca.gov/nuc/tsz-v-mor-bx-liv01.html
https://cimis.water.ca.gov/nuc/tsz-v-mor-bx-liv.html
https://cimis.water.ca.gov/nuc/tsz-v-mor-bx222.html
https://cimis.water.ca.gov/nuc/tsz-v-mor-bx0111.html
https://cimis.water.ca.gov/nuc/tsz-v-mor-bx.html
https://cimis.water.ca.gov/nuc/gal-vs-hun-box1.html
https://cimis.water.ca.gov/nuc/gal-vs-hun-box.html
https://cimis.water.ca.gov/nuc/gal-vs-hun.html
https://cimis.water.ca.gov/nuc/fight-g-v-h-boxing.html
https://cimis.water.ca.gov/nuc/g-v-h-au.html
https://cimis.water.ca.gov/nuc/gvh-111.html
https://cimis.water.ca.gov/nuc/au-g-v-h-fight01.html
https://cimis.water.ca.gov/nuc/au-g-v-h-fight.html
https://cimis.water.ca.gov/nuc/au-g-v-h-boxing247.html