I don't know how many people remember this, but decades ago you could just buy a prepaid mobile SIM and immediately use it, no legalities involved.
I can still do that
![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
If you lose it and someone else gets it, tough luck! That's the cost of freedom.
They usually ask for registration, so you can get a new simcard with the same number if you lose it.
These days KYC is required for every prepaid SIM.
I've seen plans for it, but it's not enforced yet. Some countries require it though.
And on top of that, many famous services (Google, Facebook etc.) ask for your mobile number... why is that? Well, tracking becomes easier. They can associate phone numbers with social media profiles. You gain safety, but you lose freedom.
That doesn't provide safety, it increases the risk of a sim swap attack.
This is how you get safety from them:
grep facebook.com /etc/hosts
0.0.0.0 www.wwwfacebook.com
0.0.0.0 wwwfacebook.com
0.0.0.0 hacking-facebook.com
0.0.0.0 www.hacking-facebook.com
0.0.0.0 facebook.com.esa-snc.com
0.0.0.0 mailfacebook.com
0.0.0.0 m.facebook.com
0.0.0.0 pixel.facebook.com
0.0.0.0 ads.ak.facebook.com
0.0.0.0 creative.ak.facebook.com
0.0.0.0 ads.ak.facebook.com.edgesuite.net
0.0.0.0 apps.facebook.com
0.0.0.0 facebook.com
0.0.0.0 graph.facebook.com
0.0.0.0 login.facebook.com
0.0.0.0 s-static.ak.facebook.com
0.0.0.0 static.ak.connect.facebook.com
0.0.0.0 www.facebook.com
0.0.0.0 www.graph.facebook.com
0.0.0.0 www.login.facebook.com
0.0.0.0 www.s-static.ak.facebook.com
0.0.0.0 www.static.ak.connect.facebook.com
0.0.0.0 0-edge-chat.facebook.com
0.0.0.0 1-edge-chat.facebook.com
0.0.0.0 2-edge-chat.facebook.com
0.0.0.0 3-edge-chat.facebook.com
0.0.0.0 4-edge-chat.facebook.com
0.0.0.0 5-edge-chat.facebook.com
0.0.0.0 6-edge-chat.facebook.com
0.0.0.0 alpha-shv-03-ash5.facebook.com
0.0.0.0 alpha-shv-03-atn1.facebook.com
0.0.0.0 alpha-shv-03-lla1.facebook.com
0.0.0.0 alpha-shv-04-prn2.facebook.com
0.0.0.0 alpha-shv-09-frc1.facebook.com
0.0.0.0 alpha.vvv.facebook.com
0.0.0.0 a.ns.facebook.com
0.0.0.0 api.facebook.com
0.0.0.0 atlasalpha-shv-09-frc3.facebook.com
0.0.0.0 atlas.c10r.facebook.com
0.0.0.0 atlasinyour-shv-05-ash3.facebook.com
0.0.0.0 atlas-shv-01-prn2.facebook.com
0.0.0.0 atlas-shv-04-lla1.facebook.com
0.0.0.0 atlas-shv-05-ash3.facebook.com
0.0.0.0 atlas-shv-06-ash2.facebook.com
0.0.0.0 atlas-shv-06-frc1.facebook.com
0.0.0.0 atlas-shv-07-lla1.facebook.com
0.0.0.0 atlas-shv-09-frc3.facebook.com
0.0.0.0 atlas-shv-13-prn1.facebook.com
0.0.0.0 atlas-www-shv-04-prn2.facebook.com
0.0.0.0 atlas-www-shv-07-ash4.facebook.com
0.0.0.0 atlas-www-shv-09-frc1.facebook.com
0.0.0.0 aura-11-01-snc7.facebook.com
0.0.0.0 badge.facebook.com
0.0.0.0 b-api.facebook.com
0.0.0.0 beta-chat-01-05-ash3.facebook.com
0.0.0.0 betanet-shv-03-atn1.facebook.com
0.0.0.0 betanet-shv-03-lla1.facebook.com
0.0.0.0 betanet-shv-04-prn2.facebook.com
0.0.0.0 betanet-shv-09-frc1.facebook.com
0.0.0.0 beta-shv-03-atn1.facebook.com
0.0.0.0 beta-shv-03-lla1.facebook.com
0.0.0.0 beta-shv-04-prn2.facebook.com
0.0.0.0 beta-shv-09-frc1.facebook.com
0.0.0.0 beta.vvv.facebook.com
0.0.0.0 b-graph.facebook.com
0.0.0.0 bidder-shv-05-frc3.facebook.com
0.0.0.0 bidder-shv-10-frc1.facebook.com
0.0.0.0 b.ns.facebook.com
0.0.0.0 channel-proxy-shv-04-frc3.facebook.com
0.0.0.0 channel-proxy-shv-06-ash2.facebook.com
0.0.0.0 channel-proxy-shv-07-ash2.facebook.com
0.0.0.0 channel-proxy-shv-13-prn1.facebook.com
0.0.0.0 channel-proxy-test-shv-07-ash2.facebook.com
0.0.0.0 code.facebook.com
0.0.0.0 connect.facebook.com
0.0.0.0 dev.vvv.facebook.com
0.0.0.0 d.vvv.facebook.com
0.0.0.0 edge-atlas-proxyprotocol-shv-01-ash5.facebook.com
0.0.0.0 edge-atlas-proxyprotocol-shv-03-ash5.facebook.com
0.0.0.0 edge-atlas-proxyprotocol-shv-07-ash4.facebook.com
0.0.0.0 edge-atlas-proxyprotocol-shv-07-frc3.facebook.com
0.0.0.0 edge-atlas-proxyprotocol-shv-09-frc1.facebook.com
0.0.0.0 edge-atlas-proxyprotocol-shv-12-frc1.facebook.com
0.0.0.0 edge-atlas-proxyprotocol-shv-12-frc3.facebook.com
0.0.0.0 edge-atlas-proxyprotocol-shv-13-frc1.facebook.com
0.0.0.0 edge-atlas-shv-01-ams2.facebook.com
0.0.0.0 edge-atlas-shv-01-ams3.facebook.com
0.0.0.0 edge-atlas-shv-01-ash5.facebook.com
0.0.0.0 edge-atlas-shv-01-atl1.facebook.com
0.0.0.0 edge-atlas-shv-01-bru2.facebook.com
0.0.0.0 edge-atlas-shv-01-cai1.facebook.com
0.0.0.0 edge-atlas-shv-01-cdg2.facebook.com
0.0.0.0 edge-atlas-shv-01-dfw1.facebook.com
0.0.0.0 edge-atlas-shv-01-fra3.facebook.com
0.0.0.0 edge-atlas-shv-01-gru1.facebook.com
0.0.0.0 edge-atlas-shv-01-hkg2.facebook.com
0.0.0.0 edge-atlas-shv-01-iad3.facebook.com
0.0.0.0 edge-atlas-shv-01-kul1.facebook.com
0.0.0.0 edge-atlas-shv-01-lax1.facebook.com
0.0.0.0 edge-atlas-shv-01-lga1.facebook.com
0.0.0.0 edge-atlas-shv-01-lhr3.facebook.com
0.0.0.0 edge-atlas-shv-01-mad1.facebook.com
0.0.0.0 edge-atlas-shv-01-mia1.facebook.com
0.0.0.0 edge-atlas-shv-01-mxp1.facebook.com
0.0.0.0 edge-atlas-shv-01-nrt1.facebook.com
0.0.0.0 edge-atlas-shv-01-ord1.facebook.com
0.0.0.0 edge-atlas-shv-01-sea1.facebook.com
0.0.0.0 edge-atlas-shv-01-sin1.facebook.com
0.0.0.0 edge-atlas-shv-01-sjc2.facebook.com
0.0.0.0 edge-atlas-shv-01-syd1.facebook.com
0.0.0.0 edge-atlas-shv-01-vie1.facebook.com
0.0.0.0 edge-atlas-shv-02-cai1.facebook.com
0.0.0.0 edge-atlas-shv-02-hkg2.facebook.com
0.0.0.0 edge-atlas-shv-03-ash5.facebook.com
0.0.0.0 edge-atlas-shv-03-atn1.facebook.com
0.0.0.0 edge-atlas-shv-03-hkg1.facebook.com
0.0.0.0 edge-atlas-shv-03-lla1.facebook.com
0.0.0.0 edge-atlas-shv-03-prn2.facebook.com
0.0.0.0 edge-atlas-shv-03-xdc1.facebook.com
0.0.0.0 edge-atlas-shv-04-hkg1.facebook.com
0.0.0.0 edge-atlas-shv-04-prn2.facebook.com
0.0.0.0 edge-atlas-shv-06-atn1.facebook.com
0.0.0.0 edge-atlas-shv-06-lla1.facebook.com
0.0.0.0 edge-atlas-shv-07-ash4.facebook.com
0.0.0.0 edge-atlas-shv-09-frc1.facebook.com
0.0.0.0 edge-atlas-shv-09-lla1.facebook.com
0.0.0.0 edge-atlas-shv-12-frc1.facebook.com
0.0.0.0 edge-atlas-shv-12-frc3.facebook.com
0.0.0.0 edge-atlas-shv-12-lla1.facebook.com
0.0.0.0 edge-atlas-shv-12-prn1.facebook.com
0.0.0.0 edge-atlas-shv-13-frc1.facebook.com
0.0.0.0 edge-atlas-shv-17-prn1.facebook.com
0.0.0.0 edge-atlas-shv-18-prn1.facebook.com
0.0.0.0 edge-chat.facebook.com
0.0.0.0 edge-liverail-shv-01-ams2.facebook.com
0.0.0.0 edge-liverail-shv-01-ams3.facebook.com
0.0.0.0 edge-liverail-shv-01-ash5.facebook.com
0.0.0.0 edge-liverail-shv-01-atl1.facebook.com
0.0.0.0 edge-liverail-shv-01-bru2.facebook.com
0.0.0.0 edge-liverail-shv-01-cai1.facebook.com
0.0.0.0 edge-liverail-shv-01-cdg2.facebook.com
0.0.0.0 edge-liverail-shv-01-dfw1.facebook.com
0.0.0.0 edge-liverail-shv-01-fra3.facebook.com
0.0.0.0 edge-liverail-shv-01-gru1.facebook.com
0.0.0.0 edge-liverail-shv-01-hkg2.facebook.com
0.0.0.0 edge-liverail-shv-01-iad3.facebook.com
0.0.0.0 edge-liverail-shv-01-kul1.facebook.com
0.0.0.0 edge-liverail-shv-01-lax1.facebook.com
0.0.0.0 edge-liverail-shv-01-lga1.facebook.com
0.0.0.0 edge-liverail-shv-01-lhr3.facebook.com
0.0.0.0 edge-liverail-shv-01-mad1.facebook.com
0.0.0.0 edge-liverail-shv-01-mia1.facebook.com
0.0.0.0 edge-liverail-shv-01-mxp1.facebook.com
0.0.0.0 edge-liverail-shv-01-nrt1.facebook.com
0.0.0.0 edge-liverail-shv-01-ord1.facebook.com
0.0.0.0 edge-liverail-shv-01-sea1.facebook.com
0.0.0.0 edge-liverail-shv-01-sin1.facebook.com
0.0.0.0 edge-liverail-shv-01-sjc2.facebook.com
0.0.0.0 edge-liverail-shv-01-syd1.facebook.com
0.0.0.0 edge-liverail-shv-01-tpe1.facebook.com
0.0.0.0 edge-liverail-shv-01-vie1.facebook.com
0.0.0.0 edge-liverail-shv-02-cai1.facebook.com
0.0.0.0 edge-liverail-shv-02-hkg2.facebook.com
0.0.0.0 edge-liverail-shv-03-ash5.facebook.com
0.0.0.0 edge-liverail-shv-03-atn1.facebook.com
0.0.0.0 edge-liverail-shv-03-hkg1.facebook.com
0.0.0.0 edge-liverail-shv-03-lla1.facebook.com
0.0.0.0 edge-liverail-shv-03-prn2.facebook.com
0.0.0.0 edge-liverail-shv-03-xdc1.facebook.com
0.0.0.0 edge-liverail-shv-04-hkg1.facebook.com
0.0.0.0 edge-liverail-shv-04-prn2.facebook.com
0.0.0.0 edge-liverail-shv-06-atn1.facebook.com
0.0.0.0 edge-liverail-shv-06-lla1.facebook.com
0.0.0.0 edge-liverail-shv-07-ash4.facebook.com
0.0.0.0 edge-liverail-shv-07-frc3.facebook.com
0.0.0.0 edge-liverail-shv-09-frc1.facebook.com
0.0.0.0 edge-liverail-shv-09-lla1.facebook.com
0.0.0.0 edge-liverail-shv-12-frc1.facebook.com
0.0.0.0 edge-liverail-shv-12-frc3.facebook.com
0.0.0.0 edge-liverail-shv-12-lla1.facebook.com
0.0.0.0 edge-liverail-shv-12-prn1.facebook.com
0.0.0.0 edge-liverail-shv-13-frc1.facebook.com
0.0.0.0 edge-liverail-shv-17-prn1.facebook.com
0.0.0.0 edge-liverail-shv-18-prn1.facebook.com
0.0.0.0 edge-mqtt.facebook.com
0.0.0.0 edge-mqtt-shv-01-ams2.facebook.com
0.0.0.0 edge-mqtt-shv-01-ams3.facebook.com
0.0.0.0 edge-mqtt-shv-01-ash5.facebook.com
0.0.0.0 edge-mqtt-shv-01-atl1.facebook.com
0.0.0.0 edge-mqtt-shv-01-bru2.facebook.com
0.0.0.0 edge-mqtt-shv-01-cai1.facebook.com
0.0.0.0 edge-mqtt-shv-01-cdg2.facebook.com
0.0.0.0 edge-mqtt-shv-01-dfw1.facebook.com
0.0.0.0 edge-mqtt-shv-01-fra3.facebook.com
0.0.0.0 edge-mqtt-shv-01-gru1.facebook.com
0.0.0.0 edge-mqtt-shv-01-hkg2.facebook.com
0.0.0.0 edge-mqtt-shv-01-iad3.facebook.com
0.0.0.0 edge-mqtt-shv-01-kul1.facebook.com
0.0.0.0 edge-mqtt-shv-01-lax1.facebook.com
0.0.0.0 edge-mqtt-shv-01-lga1.facebook.com
0.0.0.0 edge-mqtt-shv-01-lhr3.facebook.com
0.0.0.0 edge-mqtt-shv-01-mad1.facebook.com
0.0.0.0 edge-mqtt-shv-01-mia1.facebook.com
0.0.0.0 edge-mqtt-shv-01-mxp1.facebook.com
0.0.0.0 edge-mqtt-shv-01-nrt1.facebook.com
0.0.0.0 edge-mqtt-shv-01-ord1.facebook.com
0.0.0.0 edge-mqtt-shv-01-sea1.facebook.com
0.0.0.0 edge-mqtt-shv-01-sin1.facebook.com
0.0.0.0 edge-mqtt-shv-01-sjc2.facebook.com
0.0.0.0 edge-mqtt-shv-01-syd1.facebook.com
0.0.0.0 edge-mqtt-shv-01-tpe1.facebook.com
0.0.0.0 edge-mqtt-shv-01-vie1.facebook.com
0.0.0.0 edge-mqtt-shv-02-cai1.facebook.com
0.0.0.0 edge-mqtt-shv-02-hkg2.facebook.com
0.0.0.0 edge-mqtt-shv-03-ash5.facebook.com
0.0.0.0 edge-mqtt-shv-03-atn1.facebook.com
0.0.0.0 edge-mqtt-shv-03-hkg1.facebook.com
0.0.0.0 edge-mqtt-shv-03-lla1.facebook.com
0.0.0.0 edge-mqtt-shv-03-prn2.facebook.com
0.0.0.0 edge-mqtt-shv-03-xdc1.facebook.com
0.0.0.0 edge-mqtt-shv-04-hkg1.facebook.com
0.0.0.0 edge-mqtt-shv-04-prn2.facebook.com
0.0.0.0 edge-mqtt-shv-06-atn1.facebook.com
0.0.0.0 edge-mqtt-shv-06-lla1.facebook.com
0.0.0.0 edge-mqtt-shv-07-ash4.facebook.com
0.0.0.0 edge-mqtt-shv-07-frc3.facebook.com
0.0.0.0 edge-mqtt-shv-09-lla1.facebook.com
0.0.0.0 edge-mqtt-shv-12-frc1.facebook.com
0.0.0.0 edge-mqtt-shv-12-frc3.facebook.com
0.0.0.0 edge-mqtt-shv-12-lla1.facebook.com
0.0.0.0 edge-mqtt-shv-12-prn1.facebook.com
0.0.0.0 edge-mqtt-shv-13-frc1.facebook.com
0.0.0.0 edge-mqtt-shv-17-prn1.facebook.com
0.0.0.0 edge-mqtt-shv-18-prn1.facebook.com
0.0.0.0 edgeray-origin-shv-05-prn2.facebook.com
0.0.0.0 edgeray-origin-shv-07-lla1.facebook.com
0.0.0.0 edgeray-origin-shv-09-frc3.facebook.com
0.0.0.0 edgeray-origin-shv-11-frc3.facebook.com
0.0.0.0 edgeray-shv-01-ams2.facebook.com
0.0.0.0 edgeray-shv-01-ams3.facebook.com
0.0.0.0 edgeray-shv-01-atl1.facebook.com
0.0.0.0 edgeray-shv-01-bru2.facebook.com
0.0.0.0 edgeray-shv-01-cdg2.facebook.com
0.0.0.0 edgeray-shv-01-dfw1.facebook.com
0.0.0.0 edgeray-shv-01-fra3.facebook.com
0.0.0.0 edgeray-shv-01-gru1.facebook.com
0.0.0.0 edgeray-shv-01-iad3.facebook.com
0.0.0.0 edgeray-shv-01-kul1.facebook.com
0.0.0.0 edgeray-shv-01-lax1.facebook.com
0.0.0.0 edgeray-shv-01-lga1.facebook.com
0.0.0.0 edgeray-shv-01-lhr3.facebook.com
0.0.0.0 edgeray-shv-01-mad1.facebook.com
0.0.0.0 edgeray-shv-01-mia1.facebook.com
0.0.0.0 edgeray-shv-01-mxp1.facebook.com
0.0.0.0 edgeray-shv-01-ord1.facebook.com
0.0.0.0 edgeray-shv-01-sea1.facebook.com
0.0.0.0 edgeray-shv-01-sin1.facebook.com
0.0.0.0 edgeray-shv-01-sjc2.facebook.com
0.0.0.0 edgeray-shv-01-syd1.facebook.com
0.0.0.0 edgeray-shv-01-vie1.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-ams3.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-atl1.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-bru2.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-cai1.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-cdg2.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-dfw1.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-fra3.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-gru1.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-iad3.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-kul1.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-lax1.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-lhr3.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-mad1.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-nrt1.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-ord1.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-sea1.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-01-syd1.facebook.com
0.0.0.0 edge-snaptu-http-p1-shv-02-cai1.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-ams3.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-ash5.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-atl1.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-bru2.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-cai1.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-cdg2.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-dfw1.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-fra3.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-gru1.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-hkg2.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-iad3.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-kul1.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-lax1.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-lhr3.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-mad1.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-nrt1.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-ord1.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-sea1.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-01-syd1.facebook.com
0.0.0.0 edge-snaptu-tunnel-shv-02-cai1.facebook.com
0.0.0.0 edge-star-shv-12-frc3.facebook.com
0.0.0.0 instagram.c10r.facebook.com
0.0.0.0 l.facebook.com
0.0.0.0 liverail.c10r.facebook.com
0.0.0.0 lm.facebook.com
0.0.0.0 m.facebook.com
0.0.0.0 mqtt.c10r.facebook.com
0.0.0.0 mqtt.vvv.facebook.com
0.0.0.0 pixel.facebook.com
0.0.0.0 profile.ak.facebook.com.edgesuite.net
0.0.0.0 research.facebook.com
0.0.0.0 snaptu-d-shv-05-frc3.facebook.com
0.0.0.0 snaptu-d-shv-10-frc1.facebook.com
0.0.0.0 s-static.ak.facebook.com.edgekey.net
0.0.0.0 star.c10r.facebook.com
0.0.0.0 star.facebook.com
0.0.0.0 star-mini.c10r.facebook.com
0.0.0.0 static.ak.facebook.com
0.0.0.0 static.ak.facebook.com.edgesuite.net
0.0.0.0 staticxx.facebook.com
0.0.0.0 webdav.facebook.com
0.0.0.0 z-m.c10r.facebook.com
0.0.0.0 z-m.facebook.com
I'll stop going off-topic now
![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
I don't believe people should depend on anyone's "moral compass", because it's highly subjective from person to person.
If you want something objective, the rule of law would be more appropriate.
That's the thing: both morals as well as laws vary depending on culture and country. If I find €1, I keep it. It's not possible to find the person who lost it, nor is it worth the effort. If I find $1,000,000, I would assume it's criminal money and wouldn't want to become a target. Even turning it into the police could be a risk. Leaving it doesn't feel right either. So I'm glad I've never had to make that decision
![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
If I find a wallet with anything identifiable, I'll track down the owner. The same with finding a phone. And amazingly, I've found several wallets and phones! People apparently easily lose them.
I've never found a Bitcoin paper wallet. I think I'd report it to the police, while keeping it myself (assuming I'm right that that's actually allowed), and if the owner doesn't claim it within a year (again: assuming I'm right on that), it'll be legally mine. The interesting part is that it may still not be morally right though.