This question shall be answered by the analysis of some data from the application coin-doubler.

How does coin-doubler work

This application generates profits in the cryptoscene by using the most advanced technology and everybody can benefit from it by "donations". Donations to coin-doubler are rewarded with twice the amount in the same token over an unspecified period of time, also as a gift.

Evaluation of a randomly selected donation

The user love-speeder has donated 85.000 STEEM to coin-doubler with this transaction 2f85323472701518261127e39eb5dddb0c65ee0e on 05/22/2025 UTC.

List of the gifts

The table below lists the corresponding gifts which the user love-speeder has received from coin-doubler.

#	Date	Gift	TX
1	05/23/2025	3.184 STEEM	82ee38dd84d69de5eceaf1da705f63266ba10c12
2	05/24/2025	2.875 STEEM	9bc94fd870c21208596c478daf8fd7793c8f80ba
3	05/25/2025	3.320 STEEM	c8604ee130b0fd535e333e09364c6c3a58dd9849
4	05/26/2025	2.992 STEEM	9e83818a12bf6f83d5b05e3d9616addf0471dd83
5	05/27/2025	2.716 STEEM	7b1aa4249ce9f32652133cff43d1a50511aaa49a
6	05/28/2025	2.560 STEEM	839db3db0a5ac9fd76554e156db4e832bd0ed1c1
7	05/29/2025	2.749 STEEM	4e2523d12b2ebcd64e15e1c8bdc94cba3c434833
8	05/30/2025	2.684 STEEM	e3bc1eb2952b356411f78fca410c4d00a7247ee1
9	05/31/2025	2.992 STEEM	7b5801021b1017dfbea5b91c0d09305ea85237e4
10	06/01/2025	3.077 STEEM	63199b2f9fe165bfe05e734465aef846c88545c3
11	06/02/2025	2.939 STEEM	543e95f155319d3100d40f4543be20541ba1cdb6
12	06/03/2025	2.974 STEEM	9cd8c8530d9bd9df441f7f2dce6316dcce9b28af
13	06/04/2025	2.780 STEEM	2ea7921ce4ea3b2fea9c28b86c9c6080f8fc2cc6
14	06/05/2025	3.214 STEEM	66e59c22098eb216737a728db089e43a5f0a2012
15	06/06/2025	2.727 STEEM	e717afeb790a91ea2bc844a24d2c9a3ca377afdc
16	06/07/2025	3.286 STEEM	e73e610ad7caa63155b18cd1dbae0a4f5f0314fb
17	06/08/2025	3.240 STEEM	0b8946e65f81f22bb600f3da940ea151adca1765
18	06/09/2025	2.868 STEEM	415c4682f08bc981e91c176b7f84dc7546ead626
19	06/10/2025	2.943 STEEM	19a238be884249c75e7b9192de954c5e81a01635
20	06/11/2025	3.086 STEEM	34024ecaed12ec60205ba5d2704f8b2f96b7213d
21	06/12/2025	3.147 STEEM	9e7d354486bb331dcd7986202b255cbe70932909
22	06/13/2025	3.222 STEEM	d91d83fcdf36b0d048432d34ed6ea8945efb0d44
23	06/14/2025	3.341 STEEM	cb282a5c085781a7acecd8d692c8dd0b49eee19e
24	06/15/2025	3.289 STEEM	ccf1034242574b64ee8fa88523b0e602eb650b6e
25	06/16/2025	3.394 STEEM	4202f759a1e2c5b5d3fcaa084896af61e80a7691
26	06/17/2025	3.293 STEEM	e2b51b8e1dea9b1037e2fd6ce98e373da11e2d57
27	06/18/2025	2.643 STEEM	7eeb5142f56860ac1e46883754e3a35d0f0bc017
28	06/19/2025	2.928 STEEM	628129b87288f416fd66c7c6e2ac2c09cb87f492
29	06/20/2025	3.271 STEEM	4e932badfac22b9284e1afe79f78088861fc8314
30	06/21/2025	3.206 STEEM	3f391c0dd7f8817353d55f45a0f5ac97f7999909
31	06/22/2025	2.710 STEEM	f33c7faa149ade1041153a24daf60a9ddc57520f
32	06/23/2025	3.066 STEEM	a3fbf950434ecb5caffa7da0ecdfe812e83cb437
33	06/24/2025	2.866 STEEM	56bc815660725f97fb9d16e53a843d11ab3f987b
34	06/25/2025	3.382 STEEM	a2ffa32f3edf0b8d4ecbe19cfb101912ce227cd8
35	06/26/2025	2.580 STEEM	8a471ebb886b3bcf199d62cae27ab1b3a67ab426
36	06/27/2025	2.609 STEEM	048c75d2e96d4de9e775450d1b866a24d39a4737
37	06/28/2025	2.987 STEEM	9b53dfb1665cc2cfdee3df077d5d6bf959877a94
38	06/29/2025	2.680 STEEM	445c29c917036c869d13baf2844826e1f7a2af7b
39	06/30/2025	3.098 STEEM	a3c895f4753f185472c1bf6b7f696853bbfb87cf
40	07/01/2025	2.776 STEEM	e52ba91137b896be72f3890366616de74be746c1
41	07/02/2025	3.004 STEEM	8ac51d1d4f6d89c07a1baf161445b687acec6952
42	07/03/2025	3.221 STEEM	63da6b583245d5361e0afd8167ad7e98b9129e97
43	07/04/2025	3.044 STEEM	88fa43ff7c2e5b72109325b9b550ec73d6df8e67
44	07/05/2025	2.946 STEEM	3130d6ee89e2a7a6ebd721f6a2380a45d985ecda
45	07/06/2025	2.803 STEEM	a8d2e4835d9b53ea266f7c9ec2b2e974fc68e215
46	07/07/2025	3.091 STEEM	5434473c7a51769e14a644502f3dfe5068f2de0a
47	07/08/2025	2.908 STEEM	d2a0c7eaf62e0805fd27ebd5a81aebb222f1902d
48	07/09/2025	2.908 STEEM	c6f4aac808091fa0a9aedd28144d7f193e21cc79
49	07/10/2025	3.057 STEEM	20975584e39d1ba8e68b7ae5839715b5ede4d445
50	07/11/2025	3.185 STEEM	7be62180036fcbfece630d93ff6108ab19ea2b6d
51	07/12/2025	3.154 STEEM	c571e7e3c4e21e2bd241b53999850fa24e2c9d79
52	07/13/2025	3.171 STEEM	81645b3ebf43c7d62b6a142baf2914896e0ccaa8
53	07/14/2025	2.831 STEEM	d4e42087b5f6b209b5898a3f88e381bcc0d0a85e
54	07/15/2025	3.061 STEEM	b2fcf84a9f6900a58725c3ddd55bd1cc13bfa94d
55	07/16/2025	3.178 STEEM	041f5b048601fa862c379d07d773412541fa2cbc
56	07/17/2025	2.825 STEEM	db6c5995746e42c60838a0069030b6f76d549c1e
57	07/18/2025	1.919 STEEM	e68dfa336494c6ead8aa31b7f605570c3b20362a

Total: 170.000 STEEM

Summary

The user love-speeder has been rewarded with twice the amount of the "donation" within 57 days.

Technical Analysis for STEEM

As the application coin-doubler has the potential to attract numerous investors, STEEM's price is expected to rise.

Technical Analysis for STEEM crypto currency

Boost My Wealth Challenge

If you want to participate from the Steem ecosystem's success, you can do so right now by following a few simple steps.

All author reward from this account will be paid out for an indefinite period of time to 8 participants per comment as Beneficiary Reward.

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Each of the following steps are evaluated, but aren't mandatory:

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Follow me.
Copy this link https://steemit.com/@abandi and invite your friends to the Steem Community via it on the social networks you use. Below is a template:
If you have been wondering where I have been spending most of my time lately, I'm studying the many opportunities to achieve my Financial Prosperity presented by https://steemit.com/@abandi, and I'm working through the given steps.
Share this post on the social networks you use.
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Type in abandi and click "SET PROXY". Currently this account is voting for the following witnesses as they are the ones who can ensure the safe operation of the Steem blockchain: beargame, cryptoking777, dev.supporters, dlike, enjoylondon, exnihilo.witness, future.witness, hinomaru-jp, hoasen, inwi, juddsmith079, justyy, leverfile, maiyude, matreshka, menacamel, parse, protoss20, rlawlstn123, rnt1, roadofrich, roundblocknew, smt-wherein, steem-agora, steem-dragon, steem-supporter, steem.history, upeross and upvu.witness.
Invest for your bright future by buying some STEEM regularly and only selling some of the profit if necessary. (Think about the power of compound interest.)
Find an exciting post outside your circle of friends on Steem and comment, upvote, etc. it.
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Head to the steemitblog to get to know other interesting activities within the Steem ecosystem, which can bring you additional rewards from the steemcurator01's upvotes.

Beneficiaries of this post

Following users will receive 12.5% from the Author Reward each: bet1x2, blockwavee, deepak2001, fomon.tagai, kenode.tagai, misia1979, titanxexchanges and verelarjek.

Information for beneficiaries, your Upvote on this post will earn you an additional 12.5% Beneficiary Reward to your Curation Reward.

Users on the radar for upcoming Beneficiary Rewards

Following users have also appeared on the radar: bigdtcent2.tagai, cregidelak, dalao111, esunmed, eva68, fbbcoin08.tagai, free-yang, hokova.tagai, kepew.tiptag, lobalo.tagai, mefasem.tagai, mgofu1d.tagai, nibiru424.tagai, ovobite, soneg.tagai, tolevor.tagai, voke.tagai, wvareding, xoloxac.tagai and zhngr2577.tagai.

The decision has been difficult as always, but maybe it will work out in the next rounds. You get mentioned so that you at least get the attention of the followers. You have contributed to the Steem ecosystem's success as well, thank you.