Inside skywalker sound. Where every blast, bleep, bloop in the galaxy far, far away is brought to life. The secrets of making the last jedi ring true. But first, the nightline five. When i received the diagnosis, i knew at that moment i am beating this. My main focus was to find a team of doctors. Not just picking a surgeon, picking the care team and feeling secure where you are. Visit cancer center. Com breast. Feel theraflu express mask. New power to fight back. The powerful new formula to defeat seven cold and flu symptoms fast. So you can play on. Symptoms fast. So you can play on. Theraflux e there are two types of people in the world. Those who fear the future. And those who embrace it. The future is for the unafraid. Good evening. Thank you for joining us. If you had invested 100 in bitcoin eight years ago, your coin stash might now be worth, get this, over 10 million. Tonight, meet some bitcoin millionaire whose made the bit bets when it counted and are sitting pretty. So should you try to cash in . Here is abcs chief business economics and Technology CorrespondentRebecca Jarvis. Is this it . Correct. With the line outside . It looks small. Oh, my god. Reporter a week night in san francisco, the music thumping, and Jeremy Gardner is Holding Court he isnt a tv star or music mogul. He has been dubbed a crypto slb ri t celebrity, silicon valley, his kingdom, bitcoin source of his riches. Are you a millionaire . Many times over. Bitcoin. Bitcoin. The Digital Currency you probably heard something about at this point. The stories about early investors striking it rich, hitting gold. Remember the guys from the social network, the twins. This idea wereorth millions. They put 11 million in bit coin in 2013. Now theyre billionaires. Rapper 50 cent who declared bankruptcy got his money after accepting bitcoin as payment for his 2014 album. Current value today over 6 million. But what exactly is it . Made up currency. Have no idea. We have trouble with money in the world as the it is. Reporter bitcoin the worlds most popular crypto currency, Digital Currency you could use like cash. Up like other currencies it isnt backed by a government keep it in a bank or carry it in your pocket. It exists solely on line. You can use it to get a hotel room on expedia, buy furniture on overstock or pay someone directly for a cup of coffee. Bitcoin experienced a rise in value. When it first started pick up a single bitcoin less than a penny. Last year that same bitcoin would hatch cost you almost 20,000. At one point. But it has been extremely volatile in terms of its price. Leading some to question is it all just hype . I think it is a sort of get rich quick scheme. Vast majority is hype. Reporter but the hype that led to wild price swings has not deterred the crypto die hards in san francisco. We are on our way to the crypto castle to meet up with jeremy. Basically the king of crypto. I am going to buy 100 worth of bit coin. 100 in bitcoin means i get. 008 and then some. So this its it, we are at crypto castle. Bitcoin preferred here. Hello. Its rebecca. Were here with nightline. Hi, how are you, im rebecca . A pleasure. This is it . This is the crypto castle. Think dorm room meets thinktank, led by jeremy. Jeremy calls himself a venture capitalist and crypto currency evangelist. How many bed rooms in the house . Three bedroom. We have made extra space. And so we just constantly have people coming in and out that are transient, crypto nomads. For the people who come and live with you what do they pay sub 1,600. Reporter builtcoin created in 20029 by Satoshi Nakamoto, nobody knows who that is, man, woman, or group of people. Who is, Satoshi Nakamoto . We have our reporter every your bitcoin, the transaction is recorded in a public digital, blockchain. The blockchain revolutionary approach to security all but unhackable. Check the ledger. Its become a part of College Curriculums this class here at new york university. We started with 30 students in 2014. Now, 235 this term. Lets make all the blocks two mga booim mega bytes. Crypto currency crossed into the mainstream. Reporter far cry from the dark past. Bitcoin once preferred currency to buy drugs and illicit items on silk road. The fbi eventually shutting down silk road seizing 173,000 bitcoins worth over 1. 5 billion today. Hi, guys. Here with nightline, ax. Back at the crypto castle, we meet a few crypto know mads. What got you into it . Trying to find a way to send money back to china. And Western Union was charging 12. 5 fees for transactions under 1,000 or something. I was making 15 an hour at the time. So, a 12 transact, fee on 1 tis an hour worth of work for me after taxes. I was like, that sucks. Reporter what brought you you to the house . I ran out of usd, i needed a place. Jeremy would let me pay in crypto. Reporter one problem with using bitcoin, the value fluctuates so wildly. Nobody is going to buy a cup of coffee for 5 when the 5 could be worth 50 toechlt. Reporter consider at the crypto castle. One bitcoin 13,583 first thing that morning. By end of the day the same bitcoin, 10,351. Meaning, the rent could swing all most 25 in just a few hours. Do you understand why people are skeptical of bitcoin . Of course. How can you not be . It just looks like this speculative asset that isnt backed by anything. But then the more you learn about the history of money, the more you realize its perfectly sound. Look at the u. S. Dollar. Its backed by our faith in the government to, to, act in our economic best interest. Reporter backed by our faith in the government that it is a sound government. And that there is an economy. Yeah. Reporter and struck schur behind it. Makes sense if you lift in the United States or the eu or china probably. But if you are in venezuela, the value of your dollar there, drops exponentially each and every day. Bitsko bitcoin makes sense. Some of the biggest believers caution against betting it all. He made more than 1 million in bitcoin, wrote a piece advising against investing in it. You have 1,000. 5,000, not the best place to put your money. If you view it as speculative investment why. Would you put your investment in something that isnt backed by anything. You need to have a conservative, belter Investment Strategy for the long term. Reporter do you not think there is a little chance we are in a bubble right now . It is possible to both be in a bubble and undervalued at the same time. Depend on time. For jeremy heat of up in his castle he is confident there is a crypto future just beyond the horizon. In 2018 well see real world of deployments, blockchain technology, real estate, health care, in government. And i think at that point, this technology will become much more real to people. Reporter as for our buyin. One month ago we bought 100 of bitcoin. Now that 100 is worth 73. For nightline, Rebecca Jarvis in the crypto castle in san francisco. Next, the oscar nominated stars of lady bird on why people are calling this movie a life changer. Are you tired . No. No. But when your psoriasis is bad, does it ever get in the way . Embrace the chance of 100 clear skin with taltz. Taltz is proven to help people with moderate to severe psoriasis achieve completely clear skin. With taltz, up to 90 of patients had a significant improvement of their psoriasis plaques. In fact, 4 out of 10 even achieved completely clear skin. Dont use if youre allergic to taltz. Before starting, you should be checked for tuberculosis. Taltz may increase risk of infections and lower your ability to fight them. Tell your doctor if you have an infection or have symptoms, or if youve received a vaccine or plan to. Inflammatory bowel disease can happen with taltz, including worsening of symptoms. 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Up to 38 more than Cold Medicine alone go to breatheright. Com today to request a free sample. Theyre super. But they can fly. United. Helping superheroes fly. Fans of the movie lady bird say it changed their lives. Breaking down crying in the theater and on the car ride home and healing mother Daughter Relationships broken for years. Tonight the stars and director tell my nightline coanchor juju chang what makes this little indy film so powerful. I want to go where culture its. Like new york. How could i raise such a snob . The love hate relationship nearly everyone can relate to. Mom. Just go to city college. With your work ethic go to city college and then to jail. Learn to pull yourself up and not expect to everybody to do everything. Ah lady bird. The critically acclaimed dark comedy explores the often fraught mother daughter bond, earning oscar nods for female centric movie as women are raising their artistic voices in an industry. If you are tired we can sit down . Im not tired. I couldnt tell from you dragging your feet. Watching it from the outside in. You are able to understand beth side of argument. A little sliver of the time you are seeing them. You get the idea. She is lady bird and veteran actress Laurie Metcalf her long suffering mother. As a mom i was cringing through half of it. I heard myself in the movie. She has didnt in such a way it made both relatable. It has an honesty at its core, greta crafted specifically to find a balance between the mother and daughter. It felt like this thing i imagined was living. Your gift of having a smart actor, great actor they give you so much more the they deep in it. Reporter at just 23, ronan has three Oscar Nominations under her belt, giving a performance and complexities of ugly family dramas, juxtaposed with tender ones. Please, talk to me. Metcalf the tony and emmy winning actress best known as roseannes sister. I love it. Is it too pink . Once again, flashing her comic timing in lady bird. The film fundamentally is a love story. Between ape moth mother and a d. In what way do you think the film demonstrates that love . You know their relationship has the not always been this way and wont always be this way. Just the moment, were seeing them. And, i think that you watch them trigger each other and you root for it not to happen. But you identify when it does. Fine, make your own [ bleep ]. I wanted to, you wont let me. 34yearold actress, getta gerwig wrote and directed lady bird, inspired but not based on her childhood. I hoped this movie would connect people back to their own families and hometowns. Reporter the film striking a chord for so many. Nominated for five oscars in all, including best actress, best supporting actress, best picture, screen play and elusive best director distinction. For gerwig, the fifth woman ever nominated in that category. People say, of course, of course, you know the thing that matters is doing the work. And, making films. But, i would be lying if i said this didnt mean a great deal to me. It always has the. Listen, love an awards show. As the metoo, Timesup Movement stirs a shift in hollywood women are taking a stand against sexism. Ronan and metcalf earned golden globe nominations Natalie Portman pointed out something was missing from best director. Here are the allmale nominees. You know, Natalie Portman made a very pointed comment. What was your reaction . I was at my table, i was like, yes, go, natalie the idea that, women directors arent as recognized in hollywood as male directors or arent given as many opportunities or do you think thats the case . Yeah, i think it is the case for sure. Lady bird. Greta gerwig. Remember when Katherine Bigelow won. I, i think it matters seeing, seeing it, and, hearing the names and, just it means so much to me to be nominated. Ronan says watching gerwig behind the scenes was a lightbulb moment. I read you for the first time thought i could be a director too when you saw female director doing it . It wasnt until i watched greta speak about her experience and getting the film made how she sort of, crafted this, this style that, that she had developed that i kind of went, like, oh, she is a great director. She is not just an actor turned director. Gerwig says she hopes to be an inspiration for aspiring female directors of all ages. Women in their 40s, 50s, 60s i want them to go make their movies. Make they had the it locked inside they havent done it yet. Is dad depressed . While lady bird senters around a mother Daughter Relationship for her and her mother. Life does not immitate art. I understand why this dynamic would happen between a mother and daughter. But my mom and i never had that. Lady bird my mom its on facetime over there. She was on facetime at the golden globes. On facetime at the golden globes. She said beforehand, you know, win, lose or draw i want to be in the room with you. Ak laccolade as side the fils resonating with moms and daughter as cross the country. I am so sorry i didnt mean to hurt you. Fans of the movie flooding social media with personal reactions. I saw lady bird with my mom last night it was exactly what we needed. She and i have been having a rough time lately bumping heads a lot. But that movie really helped me. And we had such a good time. I am so happy. That is so nice. Perfect. Reporter and went and saw lady bird with the parental uniits. As the the credits rolled i was thinking that was pretty good. Then i looked over and mom was sobbing. And then in the car, i started sobbing. And the feels are real. But this is the kind of sort spontaneous reaction. You have tears in your eyes. I know these are remarkable. Thats the magic of that movie. What makes you emotional about snilt ait . It makes people surprisingly connect. Or just like an overwhelming hopeful feeling that you leave it with. Things are going to be okay. Reporter see that pain on the screen and realize im not the only one. You are so infuriating. Please stop yelling. Im not yelling. Oh, it its perfect. Do you love it . For nightline, juju chang in new york. And next, the secrets to the sounds of star wars, what bird call is hidden in the chirp of a bird . Hey allergy muddlers are you one sneeze away from being voted out of the carpool . Try zyrtec® zyrtec® starts working hard at hour one and works twice as hard when you take it again the next day. Stick with zyrtec®. Muddle no more®. And try childrens zyrtec® for consistently powerful relief of your kids allergies. Searching for answers may feel overwhelming. So start your search with our teams of specialists at Cancer Treatment centers of america. The evolution of cancer care is here. Learn more at cancercenter. Com experts dinner date. Meeting his parents dinner date. Why did i want a crest 3d white smile . So i used crest. Crest 3d white removes. 95 of surface stains in just 3 days. For a whiter smile. That will win them over. Crest. Healthy, beautiful smiles for life. Not all Fish Oil Supplements provide the same omega3 power. Introducing megared advanced triple absorption it supports your heart, joints, brain, and eyes. And is absorbed by your body three times better. So one megared has more omega3 power than three standard fish oil pills. Megared advanced triple absorption. Finally tonight, if you are a star wars fan and havent seen the last jedi you should hide your head ee ein the bellya tonton right now. This behind the scenes look at star wars might contain some spoilers. Here is abcs clayton the last jedi wouldnt be Star Wars Film without eyepopping special effects. But beyond the gates of the mythic skywalker ranch in california it is not what you see but what you hear. Why is it so loud . This is skywalker sound, a phonic play ground, every new, bleep, blast, burp, in the galaxy far, far away. Not just a layer on top of the story telling. It is the story telling. One new feature the porg sound is a sonic mashup of skywalker ranch chickens and intern with a turkey call. Crystal foxes get their sound from a simple pair of wind chimes. Filled with coins. Its this. And thats not a lightsaber, ray picks up, it its part garlic press. When some one asks me if i do lightsaber sound. I say sure do. Pick them up. Put them down. Jedis biggest sound momt of all has virtually none. Why not just do a big explosion . Thats the thing. Bigger, bigger, bigger, bigger explosions. Can you communicate bigness more through the lack of sound . The right sound making special effects just a little more special. For nightline, Clayton Sandell in california. You can watch the full short documentary, the force of sound, at abcnews. Com features and on the abc news app. Want to see the audio booth where our sound are made check out the Nightline Instagram page. Refresh your home and save at ross. Ross has all the home trends for kitchen, living room and bedroom for a fraction of what youd pay elsewhere. For the latest home trends, at big savings youve gotta go to ross